Granted Patent
Utility
US 6,774,336 · App. 10/083,167
Tip gas distributor
Inventors:
Kevin Horner-Richardson, Joseph P. Jones, Roger W. Hewett, Shiyu Chen
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Feb 26, 2002
Inventors
Kevin Horner-Richardson
Joseph P. Jones
Roger W. Hewett
Shiyu Chen
Assignee (at issue)
Thermal Dynamics 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.