Granted Patent
Utility
US 5,503,871 · App. 08/215,299
Method for sealing and priming prepared substrates for roadways and substrate thereof
Inventors:
Ronald W. Blacklidge, Timothy D. Rayburn
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Mar 21, 1994
Inventors
Ronald W. Blacklidge
Timothy D. Rayburn
Assignee (at issue)
Blacklidge Emulsions, 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.