Granted Patent
Utility
US 4,380,401 · App. 06/264,218
Bearing support
Inventors:
Selim A. Chacour, John Degnan
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: May 15, 1981
Inventors
Selim A. Chacour
John Degnan
Assignee (at issue)
Allis-Chalmers Corporation
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.