Patents Assigned to Spyderco, Inc.
  • Knife gripping surface
    Patent number: 5983506
    Abstract: A device having a surface which is adapted to be gripped by a user wherein the surface reduces slippage at the user's hand. The surface geometry of the handle portion substantially reduces slippage that can occur when an instrument is in use. Preferably, the hand held instrument is a knife. The surface of the handle is covered with protuberances having angled planar surfaces which create a plurality of apexes designed to minimize hand slippage.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: November 16, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife with secondary locking mechanism
    Patent number: 5964036
    Abstract: The present invention relates to cutting instruments, and more particularly folding knives which have a blade which travels between a first extended position coextensive with the knife handle and a second closed position with the knife blade at least partially recessed within a portion of the knife handle. More specifically, the present invention relates to secondary locking mechanisms to substantially prevent the knife blade from closing if the primary locking mechanism fails.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: October 12, 1999
    Assignee: Spyderco, Inc.
    Inventor: Frank Anthony Centofante
  • One-piece multi-angled sharpening device
    Patent number: 5928069
    Abstract: A method and apparatus for sharpening a knife, scissors or other tool using a multi-angled sharpening device. The apparatus generally comprises a one-piece support structure with abrasive opposing legs which can be modulated between first and second sharpening positions to sharpen the opposing surfaces of a blade. Alternatively, the apparatus can be supported on either the first or second leg to sharpen scissors on the opposing leg.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: July 27, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Combination hand tool
    Patent number: 5920935
    Abstract: The present invention relates to compact tools, and more specifically hand tools which have various interconnectable implements for performing numerous functions. In one aspect of the present invention the combined tool has opposing handles which may be used in at least 3 distinct positions to increase the versatility of the tool, as well as the ability of the opposing handles being alternated between various positions of use with only the use of one hand.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: July 13, 1999
    Assignee: Spyderco, Inc.
    Inventor: Martin E. Beck
  • Self-attaching rope
    Patent number: 5884467
    Abstract: A rope-like instrument comprising hook and loop fabric to facilitate self-attachment. The instrument wraps about itself to form a closed loop, in place of forming a knot in the rope.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: March 23, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife with aperture to receive a lanyard
    Patent number: 5799400
    Abstract: A folding knife having an aperture positioned at or near the pivot point of the knife blade and knife handle to receive a lanyard for removable attachment to a user of the folding knife or other object.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: September 1, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Knife with reversible clip
    Patent number: 5704129
    Abstract: A knife having a reversible clip for securing the knife to a user. The clip is advantageously reversible so that the knife can be mounted in the position most comfortable for the user. The clip can be easily reversed and is designed to reduce undesirable rotation of the clip and also to provide a lanyard hole for otherwise securing the knife to the user or another supporting member.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: January 6, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • S shaped throwing knife
    Patent number: D388150
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: December 23, 1997
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife
    Patent number: D389389
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: January 20, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Knife
    Patent number: D389718
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: January 27, 1998
    Assignee: Spyderco, Inc.
    Inventor: Timothy B. Wegner
  • Knife
    Patent number: D391465
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: March 3, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Sharpening device
    Patent number: D401129
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: November 17, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Clip for a folding knife
    Patent number: D402177
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: December 8, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife handle
    Patent number: D402178
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: December 8, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife
    Patent number: D402524
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: December 15, 1998
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Puncture resistant knife blade
    Patent number: D403567
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: January 5, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife
    Patent number: D404990
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: February 2, 1999
    Assignee: Spyderco, Inc.
    Inventor: Timothy D. Zowada
  • Support base for knife sharpening stones
    Patent number: D406038
    Type: Grant
    Filed: January 19, 1998
    Date of Patent: February 23, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife handle
    Patent number: D411431
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: June 22, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser
  • Folding knife with a diamond shaped thumb aperture
    Patent number: D411790
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: July 6, 1999
    Assignee: Spyderco, Inc.
    Inventor: Louis S. Glesser