Granted Patent
Utility
US 4,274,534 · App. 06/055,659
Clamping apparatus for use with a multi-station packaging machine or the like
Inventor:
William R. Eddy
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: Jul 6, 1979
Inventor
William R. Eddy
Assignee (at issue)
Phillips Petroleum Company
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.