|
US957241A
|
|
Pressure-equalizing mechanism for cylinders.
|
|
US845354A
|
|
Sparking ignition device.
|
|
US811220A
|
|
Multiple-piston explosive-engine.
|
|
US795055A
|
|
Paper forming and drying machine.
|
|
US776197A
|
|
Paper-drying machine.
|
|
US787094A
|
|
Drain attachment for steam-heating systems, &c.
|
|
US789969A
|
|
Drain attachment for steam-heating systems, &c.
|
|
US780301A
|
|
Float for valve mechanisms.
|
|
US718375A
|
|
Automatic stop device for elevators.
|
|
US718374A
|
|
Elevator.
|
|
US724730A
|
|
Cut-out switch for electric-lighting or other circuits.
|
|
US725784A
|
|
Rotary pump.
|
|
US730052A
|
|
Rotary pump.
|
|
US677464A
|
|
Brake.
|
|
US628124A
|
|
Gas-engine.
|
