Granted Patent
Utility
US 4,945,938 · App. 07/410,878
Reels and carriers therefor
Inventors:
George L. Ponsford, William H. McCormick, Malcolm N. Council, Albert W. Carroll
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Sep 22, 1989
Inventors
George L. Ponsford
William H. McCormick
Malcolm N. Council
Albert W. Carroll
Assignee (at issue)
Otis Engineering 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.