Granted Patent
Utility
US 4,814,211 · App. 07/015,757
Liquid crystalline composites
Inventors:
Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Apr 10, 1987
Inventors
Alan Buckley
Tessie M. Che
Thomas M. Leslie
James B. Stamatoff
Dagobert E. Stuetz
Donald R. Ulrich
Assignee (at issue)
Hoechst Celanese Corporation
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.