Granted Patent
Utility
US 4,164,801 · App. 05/847,742
Bear claw ice scraper
Inventor:
Robert R. Thomas
Patented Case
View Patent ↗
Granted: Aug 21, 1979
Filed: Nov 2, 1977
Inventor
Robert R. Thomas
Assignee (at issue)
Hopkins Manufacturing 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.