Granted Patent
Utility
US 5,595,446 · App. 08/321,564
Printer power supply
Inventors:
Gordon B. Barrus, Richard E. Schumaker
Patented Case
View Patent ↗
Granted: Jan 21, 1997
Filed: Oct 12, 1994
Inventors
Gordon B. Barrus
Richard E. Schumaker
Assignee (at issue)
PRINTRONIX, 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.