Granted Patent
Utility
US 4,812,255 · App. 07/021,891
Paint removing compositions
Inventor:
David W. Suwala
Patented Case
View Patent ↗
Granted: Mar 14, 1989
Filed: Mar 4, 1987
Inventor
David W. Suwala
Assignee (at issue)
GAF 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.