Granted Patent
Utility
US 4,087,227 · App. 05/748,002
Mold for thermal conditioning a thermoplastic parison
Inventor:
Albert R. Uhlig
Patented Case
View Patent ↗
Granted: May 2, 1978
Filed: Dec 6, 1976
Inventor
Albert R. Uhlig
Assignee (at issue)
Owens-Illinois 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.