Granted Patent
Utility
US 5,147,491 · App. 07/378,461
Form, fill and seal process and device
Inventors:
John T. Thomas, Claude E. Monsees
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Jul 11, 1989
Inventors
John T. Thomas
Claude E. Monsees
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.