Granted Patent
Utility
US 4,762,249 · App. 06/405,642
Thermoplastic container end for inertial spinwelding of thermoplastic container ends
Inventors:
Vincent Fortuna, Donald N. MacLaughlin
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Aug 5, 1982
Inventors
Vincent Fortuna
Donald N. MacLaughlin
Assignee (at issue)
Packaging Resources Incorporated
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.