|
US1975406A
|
|
Feed mill
|
|
US1782697A
|
|
Mechanical movement
|
|
US1862907A
|
|
Feed grinding mill
|
|
US1778228A
|
|
Pumping unit
|
|
US1690794A
|
|
Grain-receiving attachment for combined harvesters and thrashers
|
|
US1699675A
|
|
Pumping mechanism for oil wells
|
|
US1638213A
|
|
Shock absorber for oil-well pump rods
|
|
US1645623A
|
|
Gearing for oil-well rigs
|
|
US1513627A
|
|
Connecting rod for oil-well walking beams
|
|
US1466250A
|
|
Mechanism for fuel-oil generation
|
|
US1253529A
|
|
Attachment for lister-cultivators.
|
|
US1160759A
|
|
Kafir-corn header.
|
|
CA126508A
|
|
Support for vehicle tongues
|
|
US987257A
|
|
Whip-socket.
|
|
US957096A
|
|
Spring-support for vehicle-tongues.
|
|
US838452A
|
|
Lister-cultivator.
|
