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C. David Coburn — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%

Muskogee, OK: #33 of 95 inventorsTop 35%

Oklahoma: #4,543 of 12,736 inventorsTop 40%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

C. David Coburn has been granted 2 US patents while listed as an inventor at Unknown. All of these patents were granted in 1981. C. David Coburn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list C. David Coburn in Muskogee, OK, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4266564	Coin release assembly	Rex M. Maloy	1981-05-12
D258598	Coin chute	Rex M. Maloy	1981-03-17

C. David Coburn — 2 Patents

Issued Patents All Time

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