Inventor

DAVID ROBERT E

US3 patents

Patents

3 patents

US5284129AFeb 8, 1994

Swivel ring surgical retractor

CODMAN & SHURTLEFF66 citations92

US5214815AJun 1, 1993

Surgical headrest with removable foam pad

CODMAN & SHURTLEFF55 citations90

US5254079AOct 19, 1993

Head clamp

CODMAN & SHURTLEFF51 citations89