Granted Patent
Utility
US 4,244,988 · App. 05/935,397
Method of coating linear polyester with aqueous latex
Inventor:
Geoffrey M. Dodwell
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Aug 21, 1978
Inventor
Geoffrey M. Dodwell
Assignee (at issue)
Ciba-Geigy
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.