Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert L. Libbey — 3 Patents

RCRca: 3 patents #426 of 1,739Top 25%
Cherry Hill, NJ: #234 of 765 inventorsTop 35%
New Jersey: #23,671 of 69,400 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert L. Libbey has been granted 3 US patents while listed as an inventor at Rca. The first was granted in 1980 and the most recent in December 1985. Robert L. Libbey ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert L. Libbey in Cherry Hill, NJ, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4558348 Digital video signal processing system using asynchronous a-to-d encoding Thomas V. Bolger 1985-12-10 $1,887,000
4520396 FM video transmission system having coring and coring compensation for reducing effects of triangular noise Robert A. Dischert 1985-05-28 $1,998,000
4218699 Black level control system for a color television camera Robert A. Dischert 1980-08-19 $1,104,000