Inventor
WILSON FRED A
US4 patents
Patents
4 patentsUS4079969AMar 21, 1978
Swivel connector
DOVER CORP32 citations90
US4229024AOct 21, 1980
Swivel connector
DOVER CORP29 citations79
US4721283AJan 26, 1988
Vent valve construction for a storage tank, storage tank containing the same and method of making the same
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US4036255AJul 19, 1977
Vapor recovery adapter
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