Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RC

Robert Case

S(Syntex (U.S.A.): 12 patents #33 of 599Top 6%
ARAtlantic Richfield: 2 patents #271 of 1,061Top 30%
Chicago, IL: #374 of 13,327 inventorsTop 3%
Illinois: #2,867 of 84,256 inventorsTop 4%
Overall (All Time): #175,235 of 4,157,543Top 5%
24 Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7956861 Method for checkerboard-based vector to raster conversion 2011-06-07
7623264 Method for colorizing a digital halftone 2009-11-24
7457002 Reverse diffusion digital halftone quantization 2008-11-25
7286264 None-of-the-above digital halftone compression and decompression 2007-10-23
7217393 Apparatus and method for process monitoring Thomas Witty 2007-05-15
7193753 Reverse diffusion digital halftone quantization 2007-03-20
7192777 Apparatus and method for process monitoring Thomas Witty 2007-03-20
7189573 Apparatus and method for process monitoring Thomas Witty 2007-03-13
7057770 None-of-the-above digital halftone compression and decompression 2006-06-06
6002493 Method for reproducing an image 1999-12-14
D286481 Cabinet door or similar article A. Ronald Holland, Joe H. Kennedy 1986-11-04
D286177 Cabinet door Arden Jenkins, Randall N. Bartlett, Ernest Patrick 1986-10-14
D285395 Drawer front or similar article A. Ronald Holland, Joe H. Kennedy 1986-09-02
D282681 Operatory module for a health treatment facility Joe H. Kennedy, Randall N. Bartlett, James D. Alsup, Jr. 1986-02-18
D282683 Operatory module system for a health treatment facility Joe H. Kennedy, Randall N. Bartlett, James D. Alsup, Jr. 1986-02-18
D282682 Operatory module for a health treatment facility Joe H. Kennedy, Randall N. Bartlett, James D. Alsup, Jr. 1986-02-18
D282573 Operatory module for a health treatment facility James R. Pride, Harold L. Demaree, Randall N. Bartlett 1986-02-11
D282571 Operatory module for a health treatment facility Randall N. Bartlett, James D. Alsup, Jr. 1986-02-11
D282572 Operatory module for a health treatment facility Randall N. Bartlett 1986-02-11
D282574 Operatory module for a health treatment facility Joe H. Kennedy, Randall N. Bartlett, James D. Alsup, Jr. 1986-02-11
D282575 Operatory module for a health treatment facility Joe H. Kennedy, Randall N. Bartlett, James D. Alsup, Jr. 1986-02-11
D279566 Automated credit card terminal enclosure for vehicle service stations 1985-07-09
D273813 Credit card terminal 1984-05-08
D268149 Dental chair 1983-03-08