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USPTO Patent Rankings Data through Dec 31, 2025
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Paul E. Stoft — 3 Patents

KIKasper Instruments: 2 patents #1 of 6Top 20%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Menlo Park, CA: #1,793 of 3,774 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Paul E. Stoft has been granted 3 US patents while listed as an inventor at Kasper Instruments. The first was granted in 1980 and the most recent in October 1983. Paul E. Stoft ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Paul E. Stoft in Menlo Park, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4408885 Apparatus for the automatic alignment of two superimposed objects, e.g. a semiconductor wafer and mask Karl-Heinz Johannsmeier, Tor G. Larsen 1983-10-11
4259019 Apparatus for the automatic alignment of two superimposed objects, for example a semiconductor wafer and a transparent mask Karl-Heinz Johannsmeier, Tor G. Larsen 1981-03-31
4198957 Method of using an electrically heated surgical cutting instrument John Cage, Robert F. Shaw 1980-04-22