Granted Patent
Utility
US 5,159,053 · App. 07/717,951
Polyurethane for use in electrostatic dissipating applications
Inventors:
Edmond G. Kolycheck, Elaine A. Mertzel, Francis R. Sullivan
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Jun 20, 1991
Inventors
Edmond G. Kolycheck
Elaine A. Mertzel
Francis R. Sullivan
Assignee (at issue)
B. F. Goodrich Company
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.