Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Touchstone › Earl Perkins
EP

Earl Perkins — 1 Patent

TOTouchstone: 1 patents #2 of 5Top 40%
Columbia, MO: #521 of 885 inventorsTop 60%
Missouri: #13,158 of 23,789 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Earl Perkins has been granted 1 US patent while listed as an inventor at Touchstone. All of these patents were granted in 1986. Earl Perkins ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Earl Perkins in Columbia, MO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4576730 Method and composition for cleaning and protecting metal — 1986-03-18

Nearby-Ranked Inventors

Andrew Whitesides Lloyd1
Xianwu Meng1
Phillip COLETTI1
Yuchen Mao1
Sheng'an ZHANG1
Hayeong Nam1
Pedro Fernando Gomez Fernandez1
Kira Astakhova1
Amir EISEN1