Patents Assigned to Cold Steel
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Patent number: 8196788Abstract: A scabbard for axes or tomahawks that provides a lightweight and foldable integrated head cover configuration that encloses the respective sharpened surfaces of the weapon in multiple pivoted hard case covers for safety and transport on the person of the user.Type: GrantFiled: May 26, 2010Date of Patent: June 12, 2012Assignee: Cold SteelInventors: Andrew Demko, Michael Travis Wallace
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Patent number: 8123637Abstract: A stun dart having a solid impact head with a conical shaped tail portion interconnected by a solid cylindrical elongated body. The impact head has a contoured front surface with intersecting grooves and a tapered trailing body surface to impart flight stability and maximum travel distance and impact delivery to the target.Type: GrantFiled: February 22, 2010Date of Patent: February 28, 2012Assignee: Cold SteelInventors: Andrew Demko, Michael T. Wallace
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Patent number: 8096292Abstract: A multi-dart blow gun projectile holder that provides for insertion and launching of multiple blow gun darts from a blow gun. The projectile holder has dual hollow open engagement cones secured together in oppositely disposed relation to one another. Multiple wire darts are selectively positioned by their base in one of said cones while the remaining cone imparts an air seal within the blow gun under user applied air pressure propelling and holding the position darts as they travel out of the blow gun during use.Type: GrantFiled: March 24, 2010Date of Patent: January 17, 2012Assignee: Cold SteelInventors: Andrew Demko, Michael T. Wallace
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Patent number: 7941927Abstract: A folding knife having a movable locking element that locks the blade in open position and retains the blade in secure closed position within an integrated spaced parallel monolithic handle frame member. A spring-urged locking retainment arm engages corresponding parallel portions of the blade shank when in respective locked open and locked closed positions. Sliding longitudinal displacement of the retainment arm allows for progressive engaged rotation of the blade shank about a pivot mounting point to a fully closed and locked position against two blade shank engagement points by the locking arm.Type: GrantFiled: December 10, 2007Date of Patent: May 17, 2011Assignee: Cold SteelInventor: Andrew Demko
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Patent number: 7676930Abstract: An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.Type: GrantFiled: June 12, 2007Date of Patent: March 16, 2010Assignee: Cold SteelInventor: Andrew Demko
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Patent number: 7469476Abstract: A folding knife having an improved locking mechanism that keeps the knife in an open extended use position until specific close actions are initiated. The improved locking mechanism provides a safety pin that is secured within the frame elements so as to be positioned between the knife blade and the free end of a locking bar that is spring urged thereagainst imparting improved force transfer locking structure thereto with wear adjustably pivot engagement points of the locking mechanism under spring urged locking engagement.Type: GrantFiled: April 3, 2007Date of Patent: December 30, 2008Assignee: Cold SteelInventor: Andrew Demko
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Patent number: RE43908Abstract: An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.Type: GrantFiled: November 1, 2010Date of Patent: January 8, 2013Assignee: Cold SteelInventor: Andrew Demko
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Patent number: D816457Type: GrantFiled: January 6, 2017Date of Patent: May 1, 2018Assignee: COLD STEELInventor: Andrew Demko