Granted Patent
Utility
US 4,569,968 · App. 06/685,961
Joint sealing compound
Inventors:
William E. Uffner, Bhalchandra B. Patil
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Dec 24, 1984
Inventors
William E. Uffner
Bhalchandra B. Patil
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.