Patents by Inventor William A. Kohl

William A. Kohl 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: 4618740
    Abstract: Disclosed is an aesthetically pleasing, inexpensive safety device that protects children from electrical shock from electrical outlets that have, or do not have, devices connected thereto. The safety device adhesively secures an impermeable cover over an unused electrical outlet to prevent the insertion of foreign objects by a child. In outlets with an electrical appliance connected, the impermeable cover is removed and the safety device holds the electrical plug to the electrical receptacle, preventing partial removal of the plug.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: October 21, 1986
    Inventors: Edgar C. Ray, William A. Kohl
  • Patent number: D245512
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: August 23, 1977
    Assignee: Dyna Med, Inc.
    Inventor: William A. Kohl