Granted Patent
Utility
US 5,941,531 · App. 08/810,295
Double gas seal having an improved bellows arrangement
Inventors:
Joseph C. Parker, Christopher D. McCowey, William V. Adams
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Mar 3, 1997
Inventors
Joseph C. Parker
Christopher D. McCowey
William V. Adams
Assignee (at issue)
Durametallic 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.