Granted Patent
Utility
US 4,520,853 · App. 06/577,333
Drum positioning system
Inventors:
Leo J. Niese, Gary R. Sharlow
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Feb 6, 1984
Inventors
Leo J. Niese
Gary R. Sharlow
Assignee (at issue)
Reliance Electric Limited
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.