Granted Patent
Utility
US 4,528,345 · App. 06/472,342
Weather-resistant epoxy coatings
Inventor:
Harold G. Waddill
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Mar 4, 1983
Inventor
Harold G. Waddill
Assignee (at issue)
Texaco 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.