|
US1187924A
|
|
Electric water-heater.
|
|
US1035230A
|
|
Traction-elevator.
|
|
US978480A
|
|
Perforating-machine.
|
|
US1029627A
|
|
Traction-elevator.
|
|
US1164115A
|
|
Traction-elevator.
|
|
US975790A
|
|
Multiple metallic belt for traction-elevators.
|
|
US1055554A
|
|
Power-transmission system.
|
|
US1055553A
|
|
Power-transmission system.
|
|
US1156430A
|
|
Controller for internal-combustion engines.
|
|
US997003A
|
|
Electric and fluid-pressure controller for internal-combustion engines.
|
|
US1064765A
|
|
Electric controller for explosive-engines and associated mechanisms.
|
|
US1114180A
|
|
Elevator.
|
|
US1026118A
|
|
Hoisting apparatus.
|
|
US944497A
|
|
Electromagnetic accelerator.
|
