Patents by Inventor Jeffrey T. Wisniewski

Jeffrey T. Wisniewski 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).

  • Combination airborne substance detector
    Patent number: 7248156
    Abstract: A combination airborne substance detection apparatus includes an enclosure, a first module disposed within the enclosure for detecting the presence of a quantity of a first airborne substance, a second module disposed within the enclosure for detecting the presence of a quantity of a second airborne substance, and an alarm module for producing a first perceivable emission when the first substance is detected and for producing a second perceivable emission when the second substance is detected. The first perceivable emission includes at least one of an audible and a visible emission that is distinguishable from the second perceivable emission. The first and second detector modules are each capable of independently and continuously detecting the first and second substances, respectively.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: July 24, 2007
    Assignee: MTI Industries, Inc.
    Inventors: Jeffrey T. Wisniewski, Thomas H. Wisniewski, Karl T. Olinger