Patents by Inventor Mark A. Janicki

Mark A. Janicki 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).

  • Method of making a composite car door panel
    Patent number: 4923542
    Abstract: There is disclosed a composite car door panel and method of making same. The panel includes a pair of panel sections adhesively adhered to each other by pressure sensitive adhesive. Headed fasteners used to attach the panel to a car door frame are able to be oriented relative to holes in the car door frame because the fasteners are movable relative to the panel due to masking of the fasteners from the adhesive.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: May 8, 1990
    Assignee: Monarch Marking Systems, Inc.
    Inventors: Mark A. Janicki, Paul S. Schultz
  • Smoke detector ionisation chamber using nickel-63 source
    Patent number: 4336454
    Abstract: A smoke sensing detector of the dual ionisation region type, including an inner electrode, an outer electrode, and a collector electrode mounted on the inner electrode by means of pillers of insulating material, a first ionisation region being formed by the outer electrode and the collector electrode, and a second or reference ionisation region being formed by the inner electrode and the collector electrode, wherein the collector electrode supports or incorporates a nickel-63 radioactive source emitting radiation into both ionisation regions.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: June 22, 1982
    Assignee: The Radiochemical Centre Limited
    Inventors: Jack Bryant, Mark Janicki