Granted Patent
Utility
US 5,445,900 · App. 08/107,868
Electronic device having a removable battery pack assembly
Inventors:
Kenneth Miller, William J. Duffy, Jr.
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Aug 18, 1993
Inventors
Kenneth Miller
William J. Duffy, Jr.
Assignee (at issue)
Invisible Fence, 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.