Granted Patent
Utility
US 4,480,345 · App. 06/395,722
Break-away scoop stretcher
Inventor:
Robert E. Dunn
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Jul 6, 1982
Inventor
Robert E. Dunn
Assignee (at issue)
Ferno-Washington, 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.