Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randall Marc Bachtel0
Richard Paul Lewis0
Date of Patent
October 3, 2006
0Patent Application Number
107457700
Date Filed
December 23, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A self-contained viscous liquid dispenser having an improved vent valve is provided. The vent valve includes a plug member having a sealing ridge at its perimeter. The vent valve is activated at reduced pressure differentials between the inside and outside of the dispenser. The vent valve also provides redundant sealing capability.
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