Granted Patent
Utility
US 4,980,231 · App. 07/308,678
Process for coating polymer surfaces and coated products produced using such process
Inventors:
John H. Baker, Kim R. Harmon
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 13, 1989
Inventors
John H. Baker
Kim R. Harmon
Assignee (at issue)
Snyder Laboratories, 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.