Granted Patent
Utility
US 4,482,650 · App. 06/573,246
Blowing agent compositions
Inventors:
Donald G. Rowland, Rhomie L. Heck, III
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jan 23, 1984
Inventors
Donald G. Rowland
Rhomie L. Heck, III
Assignee (at issue)
Uniroyal Ltd.
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.