Granted Patent
Utility
US 4,741,444 · App. 07/001,473
Disc module spacer improvement
Inventor:
Joseph B. Bielagus
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Jan 8, 1987
Inventor
Joseph B. Bielagus
Assignee (at issue)
Beloit 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.