Granted Patent
Utility
US 4,750,080 · App. 07/014,729
Film cleaner method and apparatus
Inventors:
Newell E. Cumming, James E. Sidell
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Feb 13, 1987
Inventors
Newell E. Cumming
James E. Sidell
Assignee (at issue)
Cumming 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.