Granted Patent
Utility
US 4,445,562 · App. 06/261,426
Sealant compositions having, as an essential component, hydrogenated polybutadiene as network polymer
Inventors:
Georg G. A. Bohm, Mario N. DeTrano, James E. Hall
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: May 7, 1981
Inventors
Georg G. A. Bohm
Mario N. DeTrano
James E. Hall
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.