Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leonard Spadafora — 1 Patent

PSPacer Systems: 1 patents #4 of 7Top 60%
North Tewksbury, MA: #1 of 2 inventorsTop 50%
Massachusetts: #57,159 of 88,656 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Leonard Spadafora has been granted 1 US patent while listed as an inventor at Pacer Systems. All of these patents were granted in 1982. Leonard Spadafora ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Leonard Spadafora in North Tewksbury, MA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4349281 Temperature sensor assembly apparatus Peter J. Onksen 1982-09-14 $74,000