Patents by Inventor Dana L. Hayes

Dana L. Hayes 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: 20110061661
    Abstract: Purr pillow with a microprocessor chip, a flat speaker, a power supply, an on off switch, a frequency selector switch, a random selection switch, a volume control, a standard amplifier circuit, a PC board and a housing. The microprocessor is programmed to produce purring sounds at frequencies ranging from 20 to 140 cycles per second, and the microprocessor, the speaker and additional the components are housed within the housing. A preferred embodiment includes the housing having a relatively low profile of approximately one quarter of an inch.
    Type: Application
    Filed: September 17, 2009
    Publication date: March 17, 2011
    Inventor: Dana L. Hayes