Patents by Inventor Ralph H. Wells, III

Ralph H. Wells, III 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).

  • Secure entry system with radio communications
    Patent number: 6072402
    Abstract: A secure entry system makes use of radio transmissions to communicate with locks, keys, and related components throughout the system. The radio transmissions can be made using a paging system, a cellular telephone system, or any other RF carrier. Some embodiments employ a cellular telephone in lieu of an electronic key. Others integrate a paging receiver within an electronic key to provide a unit with dual functionality. The system is illustrated with reference to exemplary applications in the industrial site security, real estate lockbox, and transportation fields.
    Type: Grant
    Filed: January 9, 1992
    Date of Patent: June 6, 2000
    Assignee: SLC Technologies, Inc.
    Inventors: John M. Kniffin, Ron McCauley, Ralph H. Wells, III, John W. Sherman, Wayne F. Larson
  • Access control device featuring key ordering or key simultaneity
    Patent number: 5705991
    Abstract: A secure entry system makes use of radio transmissions to communicate with locks, keys, and related components throughout the system. The radio transmissions can be made using a paging system, a cellular telephone system, or any other RF carrier. Some embodiments employ a cellular telephone in lieu of an electronic key. Others integrate a paging receiver within an electronic key to provide a unit with dual functionality. The system is illustrated with reference to exemplary applications in the industrial site security, real estate lockbox, and transportation fields.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 6, 1998
    Assignee: Supra Products, Inc.
    Inventors: John M. Kniffin, Ron McCauley, Ralph H. Wells, III, John W. Sherman, Wayne F. Larson