|
US3217564A
|
|
Reversible drive for power tools
|
|
US3237484A
|
|
Reversible drive for power tools
|
|
US3165947A
|
|
Reversible drive for power tools
|
|
US2996090A
|
|
Hand operated portable mortising device
|
|
US2495351A
|
|
Air conditioning apparatus
|
|
US2495350A
|
|
Automobile refrigerator
|
|
US2139982A
|
|
Propeller blade pitch regulator
|
|
US1715575A
|
|
Scythe
|
|
US1338877A
|
|
Fish-lure
|
|
US1116636A
|
|
Seed-plate for planters.
|
|
US1103848A
|
|
Blow-out patch.
|
|
US1138900A
|
|
Rear-axle construction for motor-vehicles.
|
|
US997334A
|
|
Calipering device for sheet-gathering machines.
|
|
US646880A
|
|
Self-clamping paper-cutter.
|
