Granted Patent
Utility
US 4,473,673 · App. 06/492,575
Cast polyester resin process and product
Inventors:
Robert D. Williams, Bud G. Struble
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: May 9, 1983
Inventors
Robert D. Williams
Bud G. Struble
Assignee (at issue)
Wildon Industries, 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.