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USPTO Patent Rankings Data through Dec 31, 2025
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Erwin C. Witte — 3 Patents

MIMicrodot: 3 patents #8 of 42Top 20%
Placentia, CA: #136 of 422 inventorsTop 35%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Erwin C. Witte has been granted 3 US patents while listed as an inventor at Microdot. The first was granted in 1983 and the most recent in February 1990. Erwin C. Witte ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Erwin C. Witte in Placentia, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4904352 Electrodeposited multilayer coating for titanium 1990-02-27
4594039 Fastener 1986-06-10
4381163 Self-locking nut William D. Myers 1983-04-26