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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RB

Robert D. Boehlow — 4 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
SDSafety By Design: 1 patents #5 of 10Top 50%
Festus, MO: #17 of 75 inventorsTop 25%
Missouri: #5,303 of 23,789 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert D. Boehlow has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1998 and the most recent in June 2008. Robert D. Boehlow ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert D. Boehlow in Festus, MO, US.

Patents per Year

Patents granted per year, 1998 to 2008Bar chart with a peak of 2 patents in 2008.peak 21998: 1 patents19982003: 1 patents20032008: 2 patents2008

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7389661 Keyless deadbolt door lock assembly Robert J. Viviano 2008-06-24
RE40193 Keyless deadbolt lock engaging device 2008-04-01
6601420 Keyless deadbolt lock engaging device 2003-08-05
5813261 Keyless deadbolt lock engaging device 1998-09-29