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USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. McCullough — 4 Patents

TETecsec: 2 patents #9 of 15Top 60%
West Lake Hills, TX: #24 of 60 inventorsTop 40%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles E. McCullough has been granted 4 US patents while listed as an inventor at Tecsec. The first was granted in 1994 and the most recent in August 2002. Charles E. McCullough ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles E. McCullough in West Lake Hills, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6434861 Apparatus for backfilling 2002-08-20
5440290 Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation Roy D. Follendore, III 1995-08-08
5432851 Personal computer access control system Edward M. Scheidt, C. Jay Wack 1995-07-11
5353529 Apparatus for backfilling 1994-10-11