Granted Patent
Utility
US 4,828,044 · App. 07/083,533
Dozer blade mounting assembly
Inventors:
Rudolf Horsch, Claude M. Frisbee
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Aug 7, 1987
Inventors
Rudolf Horsch
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.