Robert James Johnston

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Oskaloosa, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Steering and ground speed control mechanism of a dual-path hydrosta...
- Patent number 6,523,635
- Issue date Feb 25, 2003
- Deere & Company
- Robert James Johnston
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Steering and ground speed control mechanism of a dual-path hydrosta...
- Patent number 5,649,606
- Issue date Jul 22, 1997
- Deere & Company
- Thomas Daryl Bebernes
- B60 - VEHICLES IN GENERAL