Granted Patent
Utility
US 5,962,579 · App. 09/138,315
Coating for concrete structures
Inventors:
Gerald Owen Schulz, Roger William Riffle
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Aug 21, 1998
Inventors
Gerald Owen Schulz
Roger William Riffle
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.