Granted Patent
Utility
US 4,217,377 · App. 06/029,798
Crosslinking agent for powder coatings
Inventors:
Greg D. Shay, James H. Griffith
Patented Case
View Patent ↗
Granted: Aug 12, 1980
Filed: Apr 13, 1979
Inventors
Greg D. Shay
James H. Griffith
Assignee (at issue)
The Sherwin-Williams 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.