Granted Patent
Utility
US 4,497,927 · App. 06/621,297
Tire tread adhesives
Inventors:
Wun Ten Tai, Kenneth G. Phillips
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Jun 15, 1984
Inventors
Wun Ten Tai
Kenneth G. Phillips
Assignee (at issue)
Nalco Chemical 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.