Patents by Inventor Kenneth I. Dennison, Jr.

Kenneth I. Dennison, Jr. 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).

  • Safety latch
    Patent number: 4372591
    Abstract: A latch suitable for use on the door of a walk-in refrigerator can be opened from the exterior thereof and in addition from the inside of the cabinet as well as by means of an electrical signal. The latch is provided with a vapor barrier to prevent flow of water vapor along that part of the mechanism by means of which the latch is operable from the interior of the cabinet, flow of water vapor presenting the danger of frost-formation in said mechanism which could adversely affect the operation thereof. Optionally, the latch is provided with a switch which is closed on operation of the latch to activate an external device such as a vent port or an alarm signal.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: February 8, 1983
    Assignee: Standard-Keil Hardware Mfg. Co., a Division of Buildex Inc.
    Inventors: Sanford L. Cook, Justin J. Molisani, Kenneth I. Dennison, Jr.
  • Safety latch
    Patent number: 4203622
    Abstract: A latch suitable for use on the door of a walk-in refrigerator can be opened from the exterior thereof and in addition from the inside of the cabinet as well as by means of an electrical signal. The latch is provided with a vapor barrier to prevent flow of water vapor along that part of the mechanism by means of which the latch is operable from the interior of the cabinet, flow of water vapor presenting the danger of frost-formation in said mechanism which could adversely affect the operation thereof. Optionally, the latch is provided with a switch which is closed on operation of the latch to activate an external device such as a vent port or an alarm signal.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 20, 1980
    Assignee: Standard Keil Hardware Manufacturing Company, a Division of Buildex Incorporated
    Inventors: Sanford L. Cook, Justin J. Molisani, Kenneth I. Dennison, Jr.