Granted Patent
Utility
US 4,888,786 · App. 07/191,927
Laser gas composition control arrangement and method
Inventors:
Jack W. Davis, Clyde O. Brown
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: May 9, 1988
Inventors
Jack W. Davis
Clyde O. Brown
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.