Granted Patent
Utility
US 4,198,316 · App. 05/897,378
Foaming composition for textile finishing and coatings
Inventor:
Roop C. Nahta
Patented Case
View Patent ↗
Granted: Apr 15, 1980
Filed: Apr 18, 1978
Inventor
Roop C. Nahta
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.