Granted Patent
Utility
US 5,336,464 · App. 07/979,102
Extrusion blow molding of thermotropic liquid crystalline polymers
Inventors:
Cheryl F. Corallo, Robert Bruce Sandor, Ralph S. Blake
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 20, 1992
Inventors
Cheryl F. Corallo
Robert Bruce Sandor
Ralph S. Blake
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.