Patents by Inventor Mark Howard Krietzman

Mark Howard Krietzman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20020097587
    Abstract: A laser illuminator which produces a diffuse coherent output. The energy of the diffuse output may be controlled with a variable current switch and a pinpoint targeting laser may be added to provide illumination and targeting capabilities.
    Type: Application
    Filed: February 12, 2001
    Publication date: July 25, 2002
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Publication number: 20010048597
    Abstract: A flat illuminator, which may have a replaceable battery power supply and with a sliding inner body forming an “on” and “off” switch.
    Type: Application
    Filed: May 8, 2001
    Publication date: December 6, 2001
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Publication number: 20010043468
    Abstract: A light for use with computers containing one or more light emitting diodes on one or more flexible necks which is powered via the computers USB or IEEE 1394 port. An auxiliary USB or IEEE 1394 port may be combined with the plug-in light to allow for additional devices top be connected through the same port powering the light.
    Type: Application
    Filed: May 21, 2001
    Publication date: November 22, 2001
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Publication number: 20010040801
    Abstract: A flat illuminator, which may utilize a plurality of batteries and may support multiple LED illumination sources, adapted for high volume assembly with a momentary on/off switch formed therein. Encoded data and/or a key blank may also be combined with the flat illuminator.
    Type: Application
    Filed: May 8, 2001
    Publication date: November 15, 2001
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Publication number: 20010030858
    Abstract: A flat card shaped illuminator with an on/off switch integrally formed therein. The flat card shaped light is adapted to a variety of uses and the on/off switch may be momentary or latching. One or more LEDs may be incorporated therein and the batteries may be removable.
    Type: Application
    Filed: December 19, 2000
    Publication date: October 18, 2001
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Patent number: 6196702
    Abstract: A novel hand held waterproof or submersible laser illumination device which provides for prolonged precise controlled illumination. The present invention also provides for a combination generalized illumination and selectable precise laser outputs.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: March 6, 2001
    Inventor: Mark Howard Krietzman
  • Patent number: 6062702
    Abstract: A novel hand held waterproof or submersible laser illumination device which provides for prolonged precise controlled illumination. The present invention also provides for a combination generalized illumination and selectable precise laser outputs.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: May 16, 2000
    Inventor: Mark Howard Krietzman
  • Patent number: 6022127
    Abstract: A novel multi-function switching head for use with handheld illumination devices for switching electrical current to multiple illumination sources and for selecting from multiple battery power supplies.
    Type: Grant
    Filed: July 11, 1998
    Date of Patent: February 8, 2000
    Inventor: Mark Howard Krietzman
  • Patent number: 6021741
    Abstract: A cylindrical or conical rolling cat scratching device which provides a series of corrugated cardboard surfaces, to which catnip may be added.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: February 8, 2000
    Inventors: Mark Howard Krietzman, Robert Alan Krietzman
  • Patent number: 6017129
    Abstract: A novel switchable tail-cap illuminator with power supply which adds onto, or replaces a standard tail cap at the end of a flashlight and provides a secondary illumination source, with switchable separate power supply for independent use or for simultaneous illumination with the flashlight.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: January 25, 2000
    Inventor: Mark Howard Krietzman
  • Patent number: 6000813
    Abstract: A portable or stationary light shaping system which can shape a variety of light sources via a series of selectable & moving output specific light shaping optical elements which produces a controlled and precise composite illumination of optical outputs.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: December 14, 1999
    Inventor: Mark Howard Krietzman
  • Patent number: 5988114
    Abstract: A removable over-the-door suspending scratching device for cats which is self-dampening and provides a large volume scratching surface without requiring floor space for a base, which encourages a pet to scratch at and climb the device rather than upholstered furniture. A track suspending a raised rolling target may also be formed as part of the scratching device.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: November 23, 1999
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Patent number: 5909062
    Abstract: A secondary or redundant battery supply which nests in-line in a tubular or oval housing. The present invention also provides for a flashlight or flashlight laser illuminator with a secondary or redundant battery supply.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: June 1, 1999
    Inventor: Mark Howard Krietzman
  • Patent number: 5870971
    Abstract: A multi-apertured enclosure having one or more rolling target objects located therein. A plurality of slotted openings, of a fixed maximum diameter, which provide access for multiple cat paws, at a great variety of angles and configurations to attack the targets, external replaceable targets, scratching surfaces and refillable catnip dispensing reservoirs may be added which encourage the cat to play on its own.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: February 16, 1999
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Patent number: 5829391
    Abstract: A removable anchor for suspending a pet toy and exercise device under the bottom of an existing dwelling door to allow the pet to interact with the pet toy and exercise and play by itself, the device comprises a durable removable door anchor, supporting a variety of interchangeable wands, teases, scratching surface and track-ball enclosures all of which encourage a pet to interact "on its own" with the device.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: November 3, 1998
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen