Granted Patent
Utility
US 4,537,939 · App. 06/617,407
Process for production of polymers having increased 1,2-microstructure
Inventors:
James E. Hall, Donald N. Schulz
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Jun 4, 1984
Inventors
James E. Hall
Donald N. Schulz
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.