|
US2661910A
|
|
Strip rewinding means
|
|
US2642939A
|
|
Paper tearing mechanism
|
|
US2609145A
|
|
Clutch control mechanism
|
|
US2548825A
|
|
Circuit breaker
|
|
US2586708A
|
|
Torque testing instrument for selflocking nuts, etc.
|
|
US2483528A
|
|
Ribbon spool
|
|
US2495832A
|
|
Keyboard for calculating machines
|
|
US2492263A
|
|
Type wheel detent means on calculating machines
|
|
US2506337A
|
|
Cover section for oscillating type wheels
|
|
US2489696A
|
|
Vibration absorbing means for business machines or the like
|
|
US2511369A
|
|
Fountain pen
|
|
US2442456A
|
|
Governor
|
|
US2403480A
|
|
Multiplying unit
|
|
US2167827A
|
|
Adding, subtracting, and multiplying machine
|
