Granted Patent
Utility
US 4,986,491 · App. 07/458,428
Reel leaf spring/cassette cover combinations and methods for assembly
Inventors:
Anthony L. Gelardi, Craig Lovecky, Alan Lowry, Robert Barstow
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Dec 28, 1989
Inventors
Anthony L. Gelardi
Craig Lovecky
Alan Lowry
Robert Barstow
Assignee (at issue)
Shape Corp.
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.