Granted Patent
Utility
US 5,166,303 · App. 07/513,466
Expandable non-sagging polyurethane compositions
Inventors:
Peter H. Markusch, Jeffrey F. Dormish, Hans G. Schmelzer, John J. Lindsey
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Apr 19, 1990
Inventors
Peter H. Markusch
Jeffrey F. Dormish
Hans G. Schmelzer
John J. Lindsey
Assignee (at issue)
Miles Inc.
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.