Granted Patent
Utility
US 4,616,048 · App. 06/728,020
Solution compounding process for achieving uniform, fine particle size dispersion of curing agents
Inventors:
Mario N. De Trano, William L. Hergenrother, Ralph A. Maglio, David M. Roggeman
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Apr 29, 1985
Inventors
Mario N. De Trano
William L. Hergenrother
Ralph A. Maglio
David M. Roggeman
Assignee (at issue)
The Firestone Tire & Rubber Company
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.