Granted Patent
Utility
US 4,935,467 · App. 07/166,954
Polymeric blends
Inventors:
Tai C. Cheng, Bruce A. Kaduk, Ashok K. Mehan, David Taft, Carl J. Weber, Steven C. Zingheim
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Mar 11, 1988
Inventors
Tai C. Cheng
Bruce A. Kaduk
Ashok K. Mehan
David Taft
Carl J. Weber
Steven C. Zingheim
Assignee (at issue)
Raychem Limited
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.