Granted Patent
Utility
US 5,349,847 · App. 08/159,082
Releasable stationary plate for rheometer
Inventors:
Chun D. Lee, Donald L. Broughton
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Nov 29, 1993
Inventors
Chun D. Lee
Donald L. Broughton
Assignee (at issue)
Quantum Chemical 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.