Granted Patent
Utility
US 4,241,946 · App. 05/961,309
Detachable handle assembly
Inventor:
Carl R. Spoeth, Jr.
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Nov 16, 1978
Inventor
Carl R. Spoeth, Jr.
Assignee (at issue)
Dart Industries 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.