Granted Patent
Utility
US 4,775,115 · App. 07/037,837
Single reel tape cartridge used with a leader block
Inventor:
Anthony L. Gelardi
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Apr 13, 1987
Inventor
Anthony L. Gelardi
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.