Granted Patent
Utility
US 6,284,199 · App. 09/282,817
Apparatus for control of mercury
Inventors:
William Downs, Ralph T. Bailey
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Mar 31, 1999
Inventors
William Downs
Ralph T. Bailey
Assignee (at issue)
McDermott Technology, 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.