Charles O. Ethridge — 2 Patents at Sofec

Charles O. Ethridge has been granted 2 US patents while listed as an inventor at Sofec. The first was granted in 1987 and the most recent in May 1994. Charles O. Ethridge ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Charles O. Ethridge in Spring, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5316509	Disconnectable mooring system	L. Terry Boatman, Kristen I. Pedersen, Peter F. Poranski, Sr.	1994-05-31
4647077	High pressure product swivel	Kristen I. Pedersen	1987-03-03

Charles O. Ethridge — 2 Patents

Issued Patents All Time

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