Granted Patent
Utility
US 4,465,080 · App. 06/408,983
Oscillating mechanism for rotary cleaning device
Inventor:
Frans J. G. C. De Coene
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Aug 17, 1982
Inventor
Frans J. G. C. De Coene
Assignee (at issue)
Sperry 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.