Granted Patent
Utility
US 5,130,163 · App. 07/692,091
Porous laminate surface coating method
Inventors:
David L. Clingman, Berton Schechter, John R. Cavanagh
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Apr 26, 1991
Inventors
David L. Clingman
Berton Schechter
John R. Cavanagh
Assignee (at issue)
General Motors LLC
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.