|
US2810486A
|
|
Unloading end gate for vehicles
|
|
US2647805A
|
|
Disk harrow gang and bearing
|
|
US2423731A
|
|
Adjusting means for soil working implements
|
|
US2388553A
|
|
Wheel hoe
|
|
US2343482A
|
|
Tractor operated disk harrow
|
|
US2355519A
|
|
Cultivator
|
|
US2376609A
|
|
Tractor operated disk harrow
|
|
US2037621A
|
|
Tillage combine
|
|
US1947127A
|
|
Tillage combine
|
|
US1921597A
|
|
Wheeled vehicle
|
|
US1884803A
|
|
Soil pulverizer
|
|
US1884719A
|
|
Transporting and depth regulating wheel
|
|
US1884720A
|
|
Rotary hoe cultivator
|
|
US1776851A
|
|
Roller pulverizer
|
|
US1772039A
|
|
Double-roller pulverizer
|
|
US1780470A
|
|
Core-molding mechanism
|
|
US1805718A
|
|
Double roller pulverizer
|
|
US1782201A
|
|
Roller pulverizer
|
|
US1650891A
|
|
Double-roller pulverizer
|
|
GB275425A
|
|
Improvements in water heaters
|
