Patents by Inventor Peter J. LaPlaca

Peter J. LaPlaca 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).

  • Protective mask communication devices and systems for use in hazardous environments
    Patent number: 6121881
    Abstract: Protective mask communication systems are provided for use in hazardous environments, e.g., firefighting and hazardous waste clean-up operations. The systems allow wearers of protective masks working in a hazardous area to readily communicate both with each other and with personnel and automated systems outside of the area. Preferred systems provide short range radio communication between mask wearers.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: September 19, 2000
    Assignee: Safety Tech Industries, Inc.
    Inventors: John S. Bieback, Peter J. LaPlaca, Fred Pulver