DS

David H. Smithgall, Sr.

AT AT&T: 12 patents #1,455 of 18,772Top 8%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
WC Western Electric Company: 1 patents #173 of 531Top 35%
Overall (All Time): #357,146 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6313909 Fiber defect detection apparatus and method Ralph E. Frazee, Jr. 2001-11-06
6027027 Luggage tag assembly 2000-02-22
5995048 Quarter wave patch antenna Gregory A. Wright 1999-11-30
5929779 Read/write protocol for radio frequency identification tags John Austin MacLellan 1999-07-27
5828448 Method and apparatus for distinguishing between defects in an optical fiber coating Christian Jakobsen, Flemming Pedersen, Leonardo M. Penn, Tracy Brewer, Aarne Karp 1998-10-27
5786891 Method and apparatus for detecting defects in an optical fiber coating Christian Jakobsen, Flemming Pedersen, Leonardo M. Penn, Tracy Brewer, Aarne Karp 1998-07-28
5316562 Optical fiber tension monitoring technique Alan T. Woodward 1994-05-31
5228893 Optical fiber tension monitoring technique Alan T. Woodward 1993-07-20
4973343 Optical fiber coating control apparatus Ralph E. Frazee, Jr. 1990-11-27
4957526 Optical fiber coating control process Ralph E. Frazee, Jr. 1990-09-18
4952226 Lightguide coating control Ralph E. Frazee, Jr. 1990-08-28
4553706 Lightguide fiber spool changeover technique Ralph E. Frazee, Jr. 1985-11-19
4545542 Lightguide fiber spool changeover technique Ralph E. Frazee, Jr., Daryl L. Myers 1985-10-08
4390897 Technique for automatically centering a lightguide fiber in a coating 1983-06-28