Granted Patent
Utility
US 4,419,110 · App. 06/294,486
Gas filter container
Inventors:
William K. Ansite, J. A. Van Haastert, James D. Cleary
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Aug 20, 1981
Inventors
William K. Ansite
J. A. Van Haastert
James D. Cleary
Assignee (at issue)
Figgie Inernational Inc.
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.