IP Library Granted Patent US 4,330,144
Granted Patent Utility
US 4,330,144 · App. 05/916,738

Tube fitting assembly with deformable seal

Inventor: Ralph G. Ridenour
Patented Case View Patent ↗
Granted: May 18, 1982 Filed: Jun 19, 1978
Inventor
Ralph G. Ridenour

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.

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Quick Facts
Patent No.
US 4,330,144
App. No.
05/916,738
Filed
1978-06-19
Granted
1982-05-18
Kind
A