Granted Patent
Utility
US 5,564,641 · App. 08/520,205
Lightweight solid-core video cassette cartridge
Inventors:
Kermit T. Krantz, Charles R. Jones, Jr.
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Aug 28, 1995
Inventors
Kermit T. Krantz
Charles R. Jones, Jr.
Assignee (at issue)
V-Lite 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.