Granted Patent
Utility
US 4,662,947 · App. 06/841,242
Method and apparatus for scraping ice and snow and illuminating a scraping area
Inventor:
Evan L. Hopkins
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Mar 19, 1986
Inventor
Evan L. Hopkins
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.