Granted Patent
Utility
US 5,134,765 · App. 07/676,267
Process of forming a dispensing cartridge
Inventors:
John T. Roberts, Claude E. Monsees, William Z. Vanhook
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Mar 26, 1991
Inventors
John T. Roberts
Claude E. Monsees
William Z. Vanhook
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.