Granted Patent
Utility
US 4,717,522 · App. 06/923,511
Thermoplastic container forming method
Inventor:
William W. Evely
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Oct 27, 1986
Inventor
William W. Evely
Assignee (at issue)
BALL CORPORATION
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.