Patents by Inventor Manuel Chalin

Manuel Chalin 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).

  • Peep sight apparatus
    Patent number: 5979427
    Abstract: A peep sight apparatus includes a spring portion for surrounding a portion of a bow string and has a first end and a second end. A loop portion extends from the first end of the spring portion. A counterweight portion is fixedly connected to the second end of the spring portion.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: November 9, 1999
    Inventors: Philip J. Chalin, Manuel Chalin