Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Robert Cassel — 1 Patent

TRTri-Tronics: 1 patents #15 of 30Top 50%
Tucson, AZ: #3,413 of 6,004 inventorsTop 60%
Arizona: #18,529 of 32,909 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert Cassel has been granted 1 US patent while listed as an inventor at Tri-Tronics. All of these patents were granted in 1988. Robert Cassel ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Cassel in Tucson, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D298872 Collar-mounted animal training receiver unit John Vancza, Jr. 1988-12-06