Patents by Inventor Richard W. Blaisdell

Richard W. Blaisdell 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).

  • Modular, free movement backpack system
    Patent number: 5184763
    Abstract: A backpack system having upper and lower modules that are connected by a three-axes ball joint assembly. This joint assembly permits free movement of the hips relative to the shoulders in all directions while transmitting the load to the hips.The backpack system can easily be separated into upper and lower modules which can be worn independently of each other.
    Type: Grant
    Filed: October 16, 1991
    Date of Patent: February 9, 1993
    Inventors: Richard W. Blaisdell, David A. Baer, Shiy P. Singh
  • Disengaging ball joint
    Patent number: 5074699
    Abstract: A quick release type of ball joint providing 3-axes motion, which comprises a socket and a ball is disclosed. The quick release feature is provided by a slot in the socket and a recessed locking slot on the stem of the ball. The ball joint thus provided is simple in design, easy to manufacture and reliable in performance. The quick release feature permits easy disengagement enhancing flexibility of application.
    Type: Grant
    Filed: March 9, 1989
    Date of Patent: December 24, 1991
    Inventors: Richard W. Blaisdell, David A. Baer, Shiv P. Singh