Granted Patent
Utility
US 5,904,158 · App. 08/954,949
Thermo responsive method of removing cured paint
Inventors:
David B. Mitchell, Ralph L. Minnis, Gene Wayman, Steven M Deboo, Mark J. Deschryver
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Oct 22, 1997
Inventors
David B. Mitchell
Ralph L. Minnis
Gene Wayman
Steven M Deboo
Mark J. Deschryver
Assignee (at issue)
Betzdearborn, 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.