Granted Patent
Utility
US 5,782,253 · App. 08/204,852
System for removing a coating from a substrate
Inventors:
Michael C. Cates, Richard R. Hamm, John D. Hoogerwerl, Michael W. Lewis, Wayne N. Schmitz
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Mar 2, 1994
Inventors
Michael C. Cates
Richard R. Hamm
John D. Hoogerwerl
Michael W. Lewis
Wayne N. Schmitz
Assignees (at issue)
McDonnell Douglas Corporation
Maxwell Laboratories, 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.