Granted Patent
Utility
US 4,491,503 · App. 06/428,561
Threading belt and threading system
Inventors:
Richard J. Adams, Charles A. Belding
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Sep 30, 1982
Inventors
Richard J. Adams
Charles A. Belding
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.