Granted Patent
Utility
US 4,176,142 · App. 05/908,592
Powder coating composition
Inventors:
Robert B. Lewis, Terri Giversen
Patented Case
View Patent ↗
Granted: Nov 27, 1979
Filed: May 22, 1978
Inventors
Robert B. Lewis
Terri Giversen
Assignee (at issue)
Western Electric Company, 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.