Granted Patent
Utility
US 5,561,527 · App. 08/403,039
Optical sensing apparatus for CO.sub.2 jet spray devices
Inventors:
Wilfried Krone-Schmidt, Michael J. Slattery, Werner V. Brandt
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Mar 13, 1995
Inventors
Wilfried Krone-Schmidt
Michael J. Slattery
Werner V. Brandt
Assignee (at issue)
Hughes Aircraft Company
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.