Granted Patent
Utility
US 4,842,261 · App. 06/484,608
Printer feeder
Inventors:
Klaus Thogersen, Frederick J. Lawrence
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Apr 13, 1983
Inventors
Klaus Thogersen
Frederick J. Lawrence
Assignee (at issue)
Gradco 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.