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USPTO Patent Rankings Data through Dec 31, 2025
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Peter Lefferson — 6 Patents

PMPro Tech Monitoring: 1 patents #5 of 7Top 75%
FMFmc: 1 patents #1,077 of 1,735Top 65%
St. Petersburg, FL: #181 of 1,383 inventorsTop 15%
Florida: #9,271 of 67,251 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Peter Lefferson has been granted 6 US patents while listed as an inventor at Fmc. The first was granted in 1984 and the most recent in August 2021. Peter Lefferson ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Peter Lefferson in St. Petersburg, FL, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D928944 Pill spoon 2021-08-24
7500647 Jar holder Kathleen Langan Lefferson 2009-03-10
7267460 Adjustable beams night light 2007-09-11
6955448 Under the bed night light 2005-10-18
5959533 Tamper detection for body worn transmitter Hoyt M. Layson, David Segal 1999-09-28
4484141 Device for isoelectric focusing Richard B. Cook, Calvin A. Saravis 1984-11-20 $1,439,000