Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Walt Dannhardt0
Kevin Galliher0
Mark Benzie0
Peter H. Field0
Clyde T. Roberson0
Dan Boadwine0
David P. Sutherland0
Glenn Hartman0
Date of Patent
May 29, 2012
0Patent Application Number
124131390
Date Filed
March 27, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A tumbler pin lock includes an auxiliary locking mechanism including an auxiliary locking pin to provide enhance locking in addition to the locking provided by the tumbler pins so that the lock remains locked even if the tumblers are picked or bumped into their unlocked positions.
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