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USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Hoffman — 6 Patents

RERevlon: 4 patents #21 of 125Top 20%
POPolaroid: 1 patents #541 of 902Top 60%
Boston, MA: #1,265 of 5,993 inventorsTop 25%
Massachusetts: #20,532 of 88,656 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert W. Hoffman has been granted 6 US patents while listed as an inventor at Revlon. The first was granted in 1981 and the most recent in July 1990. Robert W. Hoffman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert W. Hoffman in Boston, MA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4945363 Conical spiral antenna 1990-07-31
4862160 Item identification tag for rapid inventory data acquisition system Jack A. Ekchian, Leon Ekchian, Kaigham J. Gabriel 1989-08-29
4675690 Conical spiral antenna 1987-06-23
4673932 Rapid inventory data acquistion system Jack A. Ekchian, Leon Ekchian, Kaigham J. Gabriel 1987-06-16
4624140 Liquid medium capacitive displacement sensor Jack A. Ekchian, Leon Ekchian 1986-11-25
4264922 Optical arrangement for developing fundamental primary colors Michael Zinchuk 1981-04-28 $1,107,000