Granted Patent
Utility
US 5,964,468 · App. 08/783,094
Anti-buckling spiral wound gasket
Inventors:
Rickey W Chester, David G. Malgee, Paul F. Malgee, Alfred F. Waterland, III
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Jan 14, 1997
Inventors
Rickey W Chester
David G. Malgee
Paul F. Malgee
Alfred F. Waterland, III
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.