Granted Patent
Utility
US 4,604,538 · App. 06/703,123
Air cooling for diode-rectified alternating current generators
Inventors:
Thomas A. Merrill, Donald A. Martin
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Feb 19, 1985
Inventors
Thomas A. Merrill
Donald A. Martin
Assignee (at issue)
General Motors LLC
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.