IP Library › Granted Patent US 4,212,139
Granted Patent Utility
US 4,212,139 · App. 05/814,380

Heavy duty drawbar

Inventor: Stephen G. Shoup
Patented Case View Patent ↗
Granted: Jul 15, 1980 Filed: Jul 11, 1977
Inventor
Stephen G. Shoup
Assignee (at issue)
Caterpillar Tractor Co.

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Quick Facts
Patent No.
US 4,212,139
App. No.
05/814,380
Filed
1977-07-11
Granted
1980-07-15
Kind
A