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Roy D. Swain — 2 Patents

COConoco: 2 patents #177 of 638Top 30%

Ponca City, OK: #201 of 444 inventorsTop 50%

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

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

2 Patents All Time

Roy D. Swain has been granted 2 US patents while listed as an inventor at Conoco. The first was granted in 1985 and the most recent in August 1986. Roy D. Swain ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Roy D. Swain in Ponca City, OK, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4608346	Method for determining phenol using a simple distillation apparatus	Anton E. Goodwin, Janet L. Marton, Robert M. Owens, Jackie W. Whisenhunt	1986-08-26
4528162	Distillation apparatus	Anton E. Goodwin, Janet L. Marton, Robert M. Owens, Jackie W. Whisenhunt	1985-07-09

Roy D. Swain — 2 Patents

Issued Patents All Time

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