Granted Patent
Utility
US 4,493,286 · App. 06/516,679
Method and apparatus for applying a multi-component adhesive
Inventor:
William Carson
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Jul 25, 1983
Inventor
William Carson
Assignee (at issue)
KOPPERS, 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.