Granted Patent
Utility
US 4,029,248 · App. 05/581,163
Detachable battery carrying handle
Inventor:
Chin-Chuan Lee
Patented Case
View Patent ↗
Granted: Jun 14, 1977
Filed: May 27, 1975
Inventor
Chin-Chuan Lee
Assignee (at issue)
Gould 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.