Inventor
MIRAND JAMES
US4 patents
Patents
4 patentsUS4749337AJun 7, 1988
Reciprocating bladder pump, and methods of constructing and utilizing same
AMERICAN SIGMA INC48 citations87
US5027902AJul 2, 1991
Self-cycling pump apparatus and method
AMERICAN SIGMA INC21 citations79
US5028213AJul 2, 1991
Convertible and variable-length groundwater devices, components therefor, and methods of constructing and utilizing same
AMERICAN SIGMA INC15 citations71
US4869371ASep 26, 1989
Pump components for building pump, and methods of constructing and using same
AMERICAN SIGMA INC6 citations60