Granted Patent
Utility
US 6,381,811 · App. 09/747,630
Sealing spring fastener with hermetically closed cavity
Inventors:
Michael Walter Smith, Richard H. Ducato, Mark Fleydervish, Werner Politzki, Eustathios Vassiliou
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Dec 22, 2000
Inventors
Michael Walter Smith
Richard H. Ducato
Mark Fleydervish
Werner Politzki
Eustathios Vassiliou
Assignee (at issue)
TERMAX 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.