Granted Patent
Utility
US 4,574,009 · App. 06/689,350
Gob arrival sensor for a glass forming machine
Inventor:
Mathias P. Welker
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Jan 7, 1985
Inventor
Mathias P. Welker
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.