Patents by Inventor Lloyd B. Marquardt, Jr.

Lloyd B. Marquardt, 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).

  • Patent number: 4103123
    Abstract: A procedure and apparatus for increasing the ease and safety of making grounding connections in electrical distribution systems having access areas including switch and fuse blades removable by hot stick operation. A grounding blade physically interchangeable with standard fuse and switch blades is provided with convenient connections for receiving a grounding cable or cables, so that either end of the blade, or both ends thereof, can be grounded, whereby to ground system components connected thereto.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: July 25, 1978
    Assignee: Northwestern Public Service Company
    Inventor: Lloyd B. Marquardt, Jr.