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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas E. Perfitt — 3 Patents

LSLear Siegler: 3 patents #11 of 111Top 10%
Wyoming, MI: #81 of 261 inventorsTop 35%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Thomas E. Perfitt has been granted 3 US patents while listed as an inventor at Lear Siegler. The first was granted in 1984 and the most recent in November 1993. Thomas E. Perfitt ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Thomas E. Perfitt in Wyoming, MI, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5262843 Processing arrangement for optical rate sensor Daniel L. Sugarbaker, Gary A. Wallen 1993-11-16
4720802 Noise compensation arrangement John N. Damoulakis, Michael E. Illikainen, Michael D. Olinger 1988-01-19
4456376 Optical rate sensor Wilbur A. Carrington, Ronald J. Fredricks, Harry L. Gubbins, Gordon P. Eckley, Jerry L. Page 1984-06-26 $3,777,000