|
US2384318A
|
|
Selector, control valve, and the like
|
|
US2305481A
|
|
Scraper
|
|
US2295264A
|
|
Trail builder and bulldozer
|
|
US2307933A
|
|
Scraper
|
|
US2295263A
|
|
Signal device for vehicles
|
|
US2322458A
|
|
Scraper
|
|
US2323611A
|
|
Pertaining to garbage disposal
|
|
US2306066A
|
|
Scraper
|
|
US2269775A
|
|
Scraper
|
|
US2260388A
|
|
Scraper
|
|
US2224438A
|
|
Scraper
|
|
US2204684A
|
|
Tandem disk earth-working implement
|
|
US2223829A
|
|
Scraper
|
|
US2160702A
|
|
Bulldozer
|
|
US2164461A
|
|
Scraper
|
|
US2207016A
|
|
Scraper
|
|
US2212713A
|
|
Scraper
|
|
US2103588A
|
|
Scraper
|
|
US2187072A
|
|
Trail builder, bulldozer, and the like
|
|
US2138304A
|
|
Earthworking implement
|
