Granted Patent
Utility
US 4,201,268 · App. 05/953,827
Adjustment mechanism for dozer blade
Inventor:
Claude M. Frisbee
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: Oct 23, 1978
Inventor
Claude M. Frisbee
Assignee (at issue)
J. I. Case Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.