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Matthew J. Lerch
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Sussex, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Single spring arm assisted knife
Patent number
8,607,460
Issue date
Dec 17, 2013
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Folding knife with thumb release opening
Patent number
8,042,276
Issue date
Oct 25, 2011
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Folding knife with thumb release opening
Patent number
7,918,028
Issue date
Apr 5, 2011
Kenneth A. Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Folding knife having two modes of operation
Patent number
7,603,778
Issue date
Oct 20, 2009
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Knife blade opening mechanism
Patent number
7,562,454
Issue date
Jul 21, 2009
Mentor Group, L.L.C.
Kenneth Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Folding tool with inlay release
Patent number
7,380,340
Issue date
Jun 3, 2008
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Knife blade opening mechanism
Patent number
7,293,360
Issue date
Nov 13, 2007
Mentor Group, L.L.C.
Kenneth Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Folding knife with opening and closing assistance
Patent number
7,243,430
Issue date
Jul 17, 2007
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Patents Applications
last 30 patents
Information
Patent Application
Folding Knife With Thumb Release Opening
Publication number
20110047800
Publication date
Mar 3, 2011
Matthew J. Lerch
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Folding Knife With Thumb Release Opening
Publication number
20090133267
Publication date
May 28, 2009
Kenneth A. Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Knife blade opening mechanism
Publication number
20080083118
Publication date
Apr 10, 2008
Mentor Group LLC
Kenneth Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Knief blade opening mechanism
Publication number
20060230620
Publication date
Oct 19, 2006
Mentor Group LLC
Kenneth Steigerwalt
B26 - HAND CUTTING TOOLS CUTTING SEVERING