Granted Patent
Utility
US 4,606,660 · App. 06/630,253
Printer kit for letter sorting machines
Inventors:
Robert S. Bradshaw, S. James Lazzarotti, Paul E. Tartar, Richard D. Hermes
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jul 12, 1984
Inventors
Robert S. Bradshaw
S. James Lazzarotti
Paul E. Tartar
Richard D. Hermes
Assignee (at issue)
SYSTEM DEVELOPMENT 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.