US2118574A
|
|
Automatic propeller
|
US2069858A
|
|
Mandrel for spinning metal
|
US2028254A
|
|
Apparatus for balancing propeller blades
|
US2047296A
|
|
Apparatus for forming propeller blades
|
US1940333A
|
|
Propeller
|
US1967435A
|
|
Propeller
|
US2008191A
|
|
Pitch adjusting means for propellers
|
US2013930A
|
|
Adjustable pitch propeller
|
US1922180A
|
|
Ash tray
|
US1913733A
|
|
Propeller
|
US1914346A
|
|
Propeller
|
GB383958A
|
|
Improvements in or relating to screw propeller blades and the method of manufacturing same
|
GB384320A
|
|
Improvements in or relating to hollow steel screw propeller blades and the method of
|
GB372524A
|
|
Improvements in or relating to screw propellers
|
US1942223A
|
|
Method of making propeller blades
|
US1942222A
|
|
Method of making propeller blades
|
US1966053A
|
|
Method of flanging tubular members
|
US1942221A
|
|
Method of making propeller blades
|
US1948832A
|
|
Method of making propeller blades
|
US1968540A
|
|
Method of balancing propeller blades
|