Granted Patent
Utility
US 4,537,921 · App. 06/575,248
Blended pressure-sensitive asphaltic based adhesives
Inventors:
William E. Uffner, Robert N. White, Edward R. Harrington
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jan 30, 1984
Inventors
William E. Uffner
Robert N. White
Edward R. Harrington
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.