Patents by Inventor Hiram Allen Philo

Hiram Allen Philo 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: 20140069266
    Abstract: An electric signal generating plectrum comprises a stringed musical instrument pick conjoined with a piezoelectric transducer.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 13, 2014
    Inventor: Hiram Allen Philo