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Inventor
PURNELL MARK L
US
2 patents
Patents
2 patents
US4883048A
Nov 28, 1989
Apparatus and method for use in performing a surgical operation
PURNELL MARK L
298 citations
95
US4781182A
Nov 1, 1988
Apparatus and method for use in performing a surgical operation
PURNELL MARK L
347 citations
95