Granted Patent
Utility
US 4,699,542 · App. 06/752,563
Composition for reinforcing asphaltic roads and reinforced roads using the same
Inventor:
Roy Shoesmith
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Jul 8, 1985
Inventor
Roy Shoesmith
Assignee (at issue)
Bay Mills Limited, Midland Div.
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.