Granted Patent
Utility
US 6,422,734 · App. 09/427,982
Static foam generating apparatus and method
Inventors:
Gopalakrishnan Sethuraman, Ronald S. Finkelstein, Larry W. Kingston, Robert C. Mitchell, W. Roy Burke
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Oct 27, 1999
Inventors
Gopalakrishnan Sethuraman
Ronald S. Finkelstein
Larry W. Kingston
Robert C. Mitchell
W. Roy Burke
Assignee (at issue)
National Gypsum Properties, LLC
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.