Granted Patent
Utility
US 4,244,429 · App. 05/950,593
Mounting mechanism for angle dozer blade
Inventor:
Roland N. Nissen
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Oct 12, 1978
Inventor
Roland N. Nissen
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.