Inventor
BERCHA FRANK G
4 patents
Patents
4 patentsUS4323322AApr 6, 1982
Warm air canopy system for providing ice-free zone
DOME PETROLEUM LTD8 citations67
US4455958AJun 26, 1984
Drillship canopy
DOME PETROLEUM LTD3 citations57
US4270476AJun 2, 1981
Barge construction for warm air canopy ice-free zone
DOME PETROLEUM LTD1 citations45
US4328760AMay 11, 1982
Skirt construction
DOME PETROLEUM LTD0 citations35