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

David Campbell

RGRoyal Group: 72 patents #1 of 33Top 4%
Caterpillar: 5 patents #1,323 of 8,398Top 20%
East Peoria, IL: #1 of 393 inventorsTop 1%
Illinois: #307 of 84,256 inventorsTop 1%
Overall (All Time): #23,868 of 4,157,543Top 1%
78 Patents All Time

Issued Patents All Time

Showing 26–50 of 78 patents

Patent #TitleCo-InventorsDate
D726939 Window frame profile Nina Sterlin, Eric Mercer 2015-04-14
D726936 Window frame profile Nina Sterlin, Eric Mercer 2015-04-14
D600361 Window frame profile Elias Mancebo 2009-09-15
D597219 Window frame profile Nina Sterlin 2009-07-28
D597221 Window frame profile Elias Mancebo 2009-07-28
D597220 Window frame profile Nina Sterlin 2009-07-28
D594570 Window frame profile Elias Mancebo 2009-06-16
D594569 Window frame profile Elias Mancebo 2009-06-16
D594568 Window frame profile Elias Mancebo 2009-06-16
D594567 Window frame profile Elias Mancebo 2009-06-16
D594566 Window frame profile Elias Mancebo 2009-06-16
D594565 Window frame profile Elias Mancebo 2009-06-16
D594573 Window frame profile Elias Mancebo 2009-06-16
D594572 Window frame profile Elias Mancebo 2009-06-16
D594571 Window frame profile Elias Mancebo 2009-06-16
D594142 Window frame profile Elias Mancebo 2009-06-09
D594141 Window frame profile Elias Mancebo 2009-06-09
D594140 Window frame profile Elias Mancebo 2009-06-09
D594138 Window frame profile Elias Mancebo 2009-06-09
D594136 Window frame profile Elias Mancebo 2009-06-09
D594137 Window frame profile Elias Mancebo 2009-06-09
D594139 Window frame profile Elias Mancebo 2009-06-09
D593687 Window frame profile Elias Mancebo 2009-06-02
D593686 Window frame profile Elias Mancebo 2009-06-02
D592763 Window frame profile Nina Sterlin 2009-05-19