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Robert Coffman — 2 Patents

Big Stone Gap, VA: #17 of 35 inventorsTop 50%
Virginia: #12,799 of 34,511 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Coffman has been granted 2 US patents. The first was granted in 1981 and the most recent in July 2000. Robert Coffman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Coffman in Big Stone Gap, VA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D427752 Pair of golf shoes Glen Williams 2000-07-11
4299525 Lug loader — 1981-11-10

Frequent Collaborators

Glen Williams1 shared

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