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US2403973A
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Material spreader hitch
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US2376181A
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Cable lift frame assembly for tractors
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US2368360A
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Excavating machine
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US2366115A
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Crane attachment for tractors
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US2362068A
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Tandem wheel assembly
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US2351792A
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Depth indicator for wheel type trenchers
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US2334459A
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Grade indicator for trenching machines
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US2328088A
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Driving mechanism for hoists
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US2340543A
|
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Tractor mounted winch
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US2357212A
|
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Brake band structure for winches
|
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US2343465A
|
|
Power control unit
|
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US2320019A
|
|
Crawler drive mechanism
|
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US2328804A
|
|
Tractor driving and steering mechanism
|
|
US2311834A
|
|
Boom type excavator
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US2290477A
|
|
Combined bulldozer and trail builder
|
|
US2305425A
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Digging wheel drive
|
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US2307284A
|
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Hoist driving mechanism
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US2275391A
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Trail builder
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US2284573A
|
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Digging wheel structure
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US2246196A
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Conveyer belt clip
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