Granted Patent
Utility
US 4,783,295 · App. 06/809,728
Process for preparing molded microcellular elastomers
Inventors:
James D. Kearns, Ronald J. Stapleton
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Dec 17, 1985
Inventors
James D. Kearns
Ronald J. Stapleton
Assignee (at issue)
Union Carbide 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.