Granted Patent
Utility
US 4,842,789 · App. 07/210,263
Preparation of high-modulus, high-strength linear polycondensates
Inventors:
Michail G. Evstatiev, Stoyko C. Fakirov, Jerold M. Schultz
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jun 23, 1988
Inventors
Michail G. Evstatiev
Stoyko C. Fakirov
Jerold M. Schultz
Assignee (at issue)
University Of Delaware
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.