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

Mark A. Caldwell — 3 Patents

PSPython Safety: 1 patents #2 of 3Top 70%
Lookout Mountain, TN: #5 of 23 inventorsTop 25%
Tennessee: #5,737 of 20,272 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Mark A. Caldwell has been granted 3 US patents while listed as an inventor at Python Safety. The first was granted in 1991 and the most recent in November 2016. Mark A. Caldwell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Mark A. Caldwell in Lookout Mountain, TN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9486116 Dispenser for rolled product 2016-11-08
D706123 Coiled chain with clasps William Mathews 2014-06-03
5048380 Adjustable wrench 1991-09-17