Granted Patent
Utility
US 4,351,383 · App. 06/138,850
Bearings for continuous casting roller aprons
Inventor:
Floyd R. Gladwin
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Apr 10, 1980
Inventor
Floyd R. Gladwin
Assignee (at issue)
Gladwin 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.