Patents by Inventor Kenneth A. Brigden

Kenneth A. Brigden 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).

  • Patent number: 4648138
    Abstract: A retention and quick release mechanism, in particular for securing an oxygen mask (2) to a helmet (4), comprises two flexible cables (12) each attached at one end to the mask (2) and having an attachment head (18) at its other end, and two locking devices (10) each attached to the helmet (4). Each locking device (10) has catch means which automatically engages the attachment head (18) when it is pushed into the housing (30) and manually operable release means.
    Type: Grant
    Filed: August 7, 1985
    Date of Patent: March 10, 1987
    Inventors: Kenneth A. Brigden, Michael Briggs