Patents by Inventor Mary Greenwaldt

Mary Greenwaldt 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).

  • Monitoring and security systems
    Publication number: 20040041708
    Abstract: The present invention portable security system for use with a movable article. The system includes a microcontroller. The system also includes a sensor, connected to the microcontroller, which sends a signal to the microcontroller when the article is moved. The security system further includes an alarm for alerting a user when the protected item is moved. Typically, the alarm includes an audio alarm and a visual alarm.
    Type: Application
    Filed: August 27, 2002
    Publication date: March 4, 2004
    Applicant: Mico Products, Inc.
    Inventor: Mary Greenwaldt