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

Robert W. Groff — 1 Patent

RCRca: 1 patents #895 of 1,739Top 55%
Manheim, PA: #40 of 80 inventorsTop 50%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert W. Groff has been granted 1 US patent while listed as an inventor at Rca. All of these patents were granted in 1988. Robert W. Groff ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert W. Groff in Manheim, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4746317 Electron tube evacuating manifold system Donald B. Kaiser 1988-05-24