Granted Patent
Utility
US 4,513,899 · App. 06/406,766
Stock feeder with adjustable width feed path
Inventor:
Harry J. Ledgerwood
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Aug 10, 1982
Inventor
Harry J. Ledgerwood
Assignee (at issue)
The Plessey Company Limited
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.