|
US1577546A
|
|
Traction vehicle
|
|
US1587561A
|
|
Tractor
|
|
US1311021A
|
|
Fixed ammunition for non-recoil guns.
|
|
CA165618A
|
|
Marine propeller
|
|
CA140041A
|
|
Torpedo discharging mechanism
|
|
CA140692A
|
|
Hull for submarine boats
|
|
US1072393A
|
|
Submersible-boat construction.
|
|
US1072392A
|
|
Construction and conning equipment for submersible boats.
|
|
CA123966A
|
|
Emptying submergence tanks of submergible boats
|
|
US922056A
|
|
Submarine boat.
|
|
US888544A
|
|
Torpedo-expulsion tube.
|
|
CA97949A
|
|
Conning device for submergible boats
|
|
CA97950A
|
|
Means of preventing condensation in optical tubes
|
|
CA89353A
|
|
Altiscope for submarine vessels
|
|
CA89350A
|
|
Buoyancy regulating apparatus for submarine boats
|
|
CA89351A
|
|
Altiscope for submarine boats
|
