Granted Patent
Utility
US 5,366,578 · App. 08/093,310
Fitment forming process
Inventors:
William Z. Vanhook, John T. Roberts, Larry J. Mattson
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Jul 16, 1993
Inventors
William Z. Vanhook
John T. Roberts
Larry J. Mattson
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.