Granted Patent
Utility
US 4,514,436 · App. 06/518,189
Methods of highlighting pinholes in a surface layer of an article
Inventor:
Kenneth Gordon Moerschel
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Jul 28, 1983
Inventor
Kenneth Gordon Moerschel
Assignee (at issue)
AT&T Technologies Incorporated
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.