Granted Patent
Utility
US 4,668,271 · App. 06/815,700
Ablation melting with thermal protection
Inventors:
Henry C. Goode, Gary N. Hughes, Donald P. Michelotti
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Jan 2, 1986
Inventors
Henry C. Goode
Gary N. Hughes
Donald P. Michelotti
Assignee (at issue)
PPG Industries, 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.