Granted Patent
Utility
US 4,677,777 · App. 06/731,967
Price setting and display system for multiple unit merchandising machine
Inventors:
David A. Hoffman, Lee C. Verduin, Ross Ouwinga
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: May 8, 1985
Inventors
David A. Hoffman
Lee C. Verduin
Ross Ouwinga
Assignee (at issue)
Rowe International, 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.