Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US20923980A priority Critical Application filed by Deere and Co filed Critical Deere and Co Priority to US06/390,012 priority patent/US4438818A/en Assigned to DEER & COMPANY reassignment DEER & COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee Deere and Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US06/390,012 Inventor Richard Treichel Seaton Moon Current Assignee (The listed assignees may be inaccurate. Google Patents Draft control system for agricultural tractorÄownload PDF Info Publication number US4438818A US4438818A US06/390,012 US39001282A US4438818A US 4438818 A US4438818 A US 4438818A US 39001282 A US39001282 A US 39001282A US 4438818 A US4438818 A US 4438818A Authority US United States Prior art keywords draft valve tractor lever responder Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4438818A - Draft control system for agricultural tractor US4438818A - Draft control system for agricultural tractor
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