Granted Patent
Utility
US 4,419,674 · App. 06/348,476
Wire wound flat-faced charge plate
Inventors:
Surinder K. Bahl, Margene C. Howell, Loy D. Pace
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Feb 12, 1982
Inventors
Surinder K. Bahl
Margene C. Howell
Loy D. Pace
Assignee (at issue)
The Mead Corporation
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.