Granted Patent
Utility
US 4,520,188 · App. 06/650,156
Polyester-forming composition for coil coatings, improved polyester resin and method of making same
Inventors:
Edward J. Holzrichter, Marc L. Smith
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Sep 13, 1984
Inventors
Edward J. Holzrichter
Marc L. Smith
Assignee (at issue)
Whittaker Corporation
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.