Granted Patent
Utility
US 5,145,162 · App. 07/788,535
Blank dispensing apparatus having oppositely rotating separator elements and method for use
Inventors:
Philip S. LaChapelle, Ralph S. Goldstein
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Nov 6, 1991
Inventors
Philip S. LaChapelle
Ralph S. Goldstein
Assignee (at issue)
Roberts 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.