Granted Patent
Utility
US 5,784,905 · App. 08/753,853
Liquid carbon dioxide cleaning system employing a static dissipating fluid
Inventors:
Carl W. Townsend, Sidney C. Chao, Edna M. Purer
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Dec 3, 1996
Inventors
Carl W. Townsend
Sidney C. Chao
Edna M. Purer
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.