Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles R. Barrows — 2 Patents

INInterlogix: 1 patents #6 of 17Top 40%
Tektronix: 1 patents #823 of 1,698Top 50%
Portland, OR: #4,651 of 9,213 inventorsTop 55%
Oregon: #12,752 of 28,073 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Charles R. Barrows has been granted 2 US patents while listed as an inventor at Interlogix. The first was granted in 1986 and the most recent in May 2001. Charles R. Barrows ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Charles R. Barrows in Portland, OR, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6239736 Range-gated radar motion detector Kevin B. McDonald, Stephen K. Bigelow, Steven J. McCoy 2001-05-29 $9,835,000
4583233 Method of monitoring suitability of a transmission path for transmission of digital data signals, and apparatus for use in carrying out the method 1986-04-15 $3,030,000