Patents by Inventor John E. Slavin

John E. Slavin 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).

  • Diver's helmet and face mask for use therewith
    Patent number: 4250877
    Abstract: An oral-nasal device includes a face mask and mask-securing means. The mask has a first portion formed with a cavity to accommodate the nose of the wearer and overlie his mouth, a second portion that is a compliant seal surrounding the cavity, and a shoulder surrounding the cavity and overlying the seal. The mask-securing means includes a pressure plate which in use forces the seal to conform to the facial features of the wearer and to be continuously sealed thereto. In the disclosed embodiment of the invention, the mask-securing means is secured to a diver's helmet.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: February 17, 1981
    Assignee: Morse Diving Equipment Company, Inc.
    Inventors: Jack H. Owens, John E. Slavin