Granted Patent
Utility
US 4,816,736 · App. 07/025,217
Polyphase alternator and dual voltage battery charging system for multiple voltage loads
Inventors:
Thomas J. Dougherty, Richard T. Johnson
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Mar 12, 1987
Inventors
Thomas J. Dougherty
Richard T. Johnson
Assignee (at issue)
Globe-Union 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.