Granted Patent
Utility
US 5,278,729 · App. 08/038,568
Compact rotatable electrical device
Inventor:
Arden L. Hoffman
Patented Case
View Patent ↗
Granted: Jan 11, 1994
Filed: Mar 26, 1993
Inventor
Arden L. Hoffman
Assignee (at issue)
Magnavox Electronic Systems Company
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.