Granted Patent
Utility
US 4,246,053 · App. 06/098,445
Web rolling method and apparatus
Inventors:
Louis Platt, Thomas S. Poteet
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Nov 29, 1979
Inventors
Louis Platt
Thomas S. Poteet
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.