Granted Patent
Utility
US 4,561,334 · App. 06/622,078
Rotary stripper
Inventor:
Albert J. Sarka
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Jun 19, 1984
Inventor
Albert J. Sarka
Assignee (at issue)
Bernal Rotary Systems, Inc.
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.