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 51–75 of 78 patents

Patent #TitleCo-InventorsDate
D592764 Window frame profile Nina Sterlin 2009-05-19
D591431 Window frame profile Elias Mancebo 2009-04-28
D591430 Window frame profile Elias Mancebo 2009-04-28
D591432 Window frame profile Elias Mancebo 2009-04-28
D591433 Window frame profile Elias Mancebo 2009-04-28
D591434 Window flame profile Elias Mancebo 2009-04-28
D591435 Window frame profile Elias Mancebo 2009-04-28
D590965 Window frame profile Elias Mancebo 2009-04-21
D590964 Window frame profile Elias Mancebo 2009-04-21
D590963 Window frame profile Elias Mancebo 2009-04-21
D590962 Window frame profile Elias Mancebo 2009-04-21
D590958 Window frame profile Nina Sterlin 2009-04-21
D590520 Window frame profile Nina Sterlin 2009-04-14
D590519 Window frame profile Nina Sterlin 2009-04-14
D590518 Window frame profile Nina Sterlin 2009-04-14
D590517 Window frame profile Nina Sterlin 2009-04-14
D590516 Window frame profile Nina Sterlin 2009-04-14
D590515 Window frame profile Nina Sterlin 2009-04-14
D583072 Window frame profile Nina Sterlin 2008-12-16
D583073 Window frame profile Nina Sterlin 2008-12-16
D583074 Window frame profile Nina Sterlin 2008-12-16
D583075 Window frame profile Nina Sterlin 2008-12-16
D583076 Window frame profile Nina Sterlin 2008-12-16
D583077 Window frame profile Nina Sterlin 2008-12-16
D583078 Window frame profile Nina Sterlin 2008-12-16