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Inventor
WAINWRIGHT CLYDE
US
2 patents
Patents
2 patents
US4413682A
Nov 8, 1983
Method and apparatus for installing a cementing float shoe on the bottom of a well casing
BAKER OIL TOOLS INC
259 citations
95
US4442894A
Apr 17, 1984
Unitary float valve and wiping plug retainer
BAKER OIL TOOLS INC
34 citations
89