Granted Patent
Utility
US 4,352,686 · App. 06/317,095
Spinner rotating apparatus
Inventor:
E. Eugene Crosby
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Nov 2, 1981
Inventor
E. Eugene Crosby
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.