Granted Patent
Utility
US 4,499,990 · App. 06/491,176
Apparatus for imparting angular movement to articles while being moved along a predetermined path
Inventor:
Alton J. Fishback
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: May 3, 1983
Inventor
Alton J. Fishback
Assignee (at issue)
The Mead 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.