Granted Patent
Utility
US 4,852,825 · App. 07/244,694
Extraction and insertion mechanism for a leader block of a tape cartridge
Inventors:
Jeffrey S. McGee, Thomas C. Kadien
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Sep 14, 1988
Inventors
Jeffrey S. McGee
Thomas C. Kadien
Assignee (at issue)
Cipher Data Products, Inc.
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.