Granted Patent
Utility
US 4,511,235 · App. 06/446,883
Simplified paper loading mechanism
Inventor:
Thomas J. Koller
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Dec 6, 1982
Inventor
Thomas J. Koller
Assignee (at issue)
Tektronix, 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.