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USPTO Patent Rankings Data through Dec 31, 2025
JH

John Herndon — 2 Patents

DTDp Technologies: 1 patents #12 of 24Top 50%
West Palm Beach, FL: #239 of 777 inventorsTop 35%
Florida: #22,549 of 67,251 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Herndon has been granted 2 US patents while listed as an inventor at Dp Technologies. The first was granted in 1986 and the most recent in May 1993. John Herndon ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Herndon in West Palm Beach, FL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5210528 Audible floor mat David S. Schulman, Alan Z. Kessler, Norman H. Heyder 1993-05-11
D284595 Cupid-unicorn (cupicorn) the love unicorn 1986-07-08