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USPTO Patent Rankings Data through Dec 31, 2025
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Gregory N. Castillo — 2 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Moraga, CA: #176 of 363 inventorsTop 50%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Gregory N. Castillo has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1999 and the most recent in June 2000. Gregory N. Castillo ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gregory N. Castillo in Moraga, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6076559 Protective cover for plumbing fixtures Bradley Castillo 2000-06-20
5921282 Protective cover for plumbing fixtures Bradley Castillo 1999-07-13