Granted Patent
Utility
US 4,292,893 · App. 06/170,409
Endless band printer with spacers between drive wheels
Inventor:
Raymond L. Kirby, Jr.
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Jul 21, 1980
Inventor
Raymond L. Kirby, Jr.
Assignee (at issue)
Monarch Marking Systems, 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.