Inventor

ONDERKA GERHARD

DE2 patents

Patents

2 patents

US4993310AFeb 19, 1991

Sealing for the differential pressure piston-fuel chamber systems of firearms

DIEHL GMBH & CO7 citations67

US5001963AMar 26, 1991

Differential pressure piston-combustion chamber for barreled weapons

DIEHL GMBH & CO2 citations56