Membership
Tour
Register
Log in
Marlan John Rolfes
Follow
Person
Ottumwa, IA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Power transmission control for a pull-type implement
Patent number
4,218,934
Issue date
Aug 26, 1980
Deere & Company
Donald W. Demorest
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Tractor-implement control system
Patent number
3,985,394
Issue date
Oct 12, 1976
Deere & Company
Marlan John Rolfes
B60 - VEHICLES IN GENERAL