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USPTO Patent Rankings Data through Dec 31, 2025
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Steven J. Masonek — 7 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Chico, CA: #31 of 288 inventorsTop 15%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Steven J. Masonek has been granted 7 US patents while listed as an inventor at Unknown. The first was granted in 1988 and the most recent in June 2004. Steven J. Masonek ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Steven J. Masonek in Chico, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6752653 Electrical extension cord with capability for multi-positional fixed mounting Mark J. Morlock, Frederick N. Rabo 2004-06-22
6485327 Electrical extension cord with capability for multi-positional fixed mounting Mark J. Morlock, Frederick N. Rabo 2002-11-26
D371951 Replacement spring plate for a vehicle Frederick N. Rabo 1996-07-23
5213180 Lubricant applicator for drive chain Frederick N. Rabo 1993-05-25
5013193 Closet flange reboring tool Frederick N. Rabo 1991-05-07
4975001 Plastic pipe reboring tool Frederick N. Rabo 1990-12-04
4720219 Reboring tool Frederick N. Rabo 1988-01-19