Granted Patent
Utility
US 4,595,443 · App. 06/729,092
Pollution-reducing method of incorporating dust suppressant in fibrous insulation material
Inventors:
David C. Trumbore, William A. Kays
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: May 2, 1985
Inventors
David C. Trumbore
William A. Kays
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.