Inventor
BURCH JOHN L
US5 patents
Patents
5 patentsUS3995324ADec 7, 1976
Actuator device for artificial leg
NASA94 citations92
US4018409AApr 19, 1977
Combined docking and grasping device
NASA31 citations80
US4122991AOct 31, 1978
Apparatus for assembling space structure
NASA8 citations68
US4154084AMay 15, 1979
Coal-shale interface detection
NASA1 citations43
US3933050AJan 20, 1976
Speed calculator
NASA0 citations29