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

Robert P. Stone — 4 Patents

RCRca: 3 patents #426 of 1,739Top 25%
CLCancer Research Campaign Technology Limited: 1 patents #59 of 134Top 45%
Lancaster, PA: #260 of 963 inventorsTop 30%
Pennsylvania: #19,360 of 74,527 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert P. Stone has been granted 4 US patents while listed as an inventor at Rca. The first was granted in 1980 and the most recent in November 1993. Robert P. Stone ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert P. Stone in Lancaster, PA, US.

Patents per Year

Patents granted per year, 1980 to 1993Bar chart with a peak of 2 patents in 1985.peak 21980: 1 patents19801985: 2 patents19851993: 1 patents1993

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5260291 Tetrazine derivatives Edward Lunt, Malcolm F.G. Stevens, Kenneth Robert Harry Wooldridge, Edward S. Newlands 1993-11-09
4531075 Electron gun having arc suppression means 1985-07-23 $2,171,000
4514661 Arc-suppression means for an electron gun having a split electrode 1985-04-30 $1,104,000
4195248 Color picture tube having improved corrugated mask Ralph J. D'Amato 1980-03-25 $924,000