DT

Donald J. Townsend

WJ Wm. Wrigley Jr.: 30 patents #10 of 442Top 3%
📍 Chicago, IL: #254 of 13,327 inventorsTop 2%
🗺 Illinois: #2,004 of 84,256 inventorsTop 3%
Overall (All Time): #125,979 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
7416751 Method of controlling release of N-substituted derivatives of aspartame in chewing gum and gum produced thereby Robert J. Yatka, Sonya S. Johnson, Michael J. Greenberg, Daniel J. Sitler 2008-08-26
7087254 Total chewing gum manufacture using high efficiency continuous mixing having optimized feed openings John T. Wolfe, Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick +1 more 2006-08-08
6949264 Nutraceuticals or nutritional supplements and method of making Gordon N. McGrew, David G. Barkalow, Sonya S. Johnson, David W. Record, Mansukh M. Patel +21 more 2005-09-27
6858237 Chewing gum manufacture using high efficiency continuous mixer John T. Wolfe, Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick +1 more 2005-02-22
6811797 Chewing gum manufacture using pin and blade extruders John T. Wolfe, Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick +1 more 2004-11-02
6692778 Method of controlling release of N-substituted derivatives of aspartame in chewing gum Robert J. Yatka, Sonya S. Johnson, Michael J. Greenberg, Daniel J. Sitler 2004-02-17
6627234 Method of producing active agent coated chewing gum products Sonya S. Johnson, David W. Record, Michael J. Greenberg, Michael A. Reed, Victor V. Gudas +10 more 2003-09-30
6586023 Process for controlling release of active agents from a chewing gum coating and product thereof Joo H. Song, David W. Record, Henry T. Tyrpin, Michael P. Russell, Philip G. Schnell +2 more 2003-07-01
6440472 Method for manufacturing chewing gum using high efficiency continuous mixing Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 2002-08-27
6428827 Long flavor duration releasing structures for chewing gum and method of making Joo H. Song, James Maxwell 2002-08-06
6238710 Method for continuous gum base manufacture Joo H. Song 2001-05-29
6086925 Chewing gum base manufacturing process using plurality of lubricating agents feed inlets Joo H. Song 2000-07-11
6030647 Continuous chewing gum manufacturing process for gum with controlled flavor release Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 2000-02-29
6010723 Method for manufacturing gum base Joo H. Song 2000-01-04
6004589 Chewing gum base manufacturing process using plurality of filler feed inlet locations Joo H. Song 1999-12-21
5976581 Continuous chewing gum manufacturing process using rework gum Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 1999-11-02
5908645 Continuous chewing gum manufacture from base concentrate Joo H. Song, Kevin B. Broderick, Henry T. Tyrpin 1999-06-01
5800847 Total chewing gum manufacture using high efficiency continuous mixing Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 1998-09-01
5773053 Chewing gum base manufacturing process using plurality of softening agents inlets Joo H. Song 1998-06-30
5614234 Total chewing gum manufacture using high efficiency continuous mixing Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 1997-03-25
5612071 Continuous chewing gum manufacturing process yielding gum with improved flavor perception Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 1997-03-18
5571543 Continuous gum base manufacture using paddle mixing Joo H. Song 1996-11-05
5562936 Continuous chewing gum base manufacturing process using highly distribute mixing Joo H. Song 1996-10-08
5545416 Gum base made with reduced antioxidant and method of preparation Kevin B. Broderick, Joo H. Song, David W. Record, Henry T. Tyrpin 1996-08-13
5543160 Total chewing gum manufacture using high efficiency continuous mixing Joo H. Song, Christafor E. Sundstrom, David W. Record, Kevin B. Broderick, Philip G. Schnell 1996-08-06