Patents by Inventor Roy L. Kramer

Roy L. Kramer 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: 4563981
    Abstract: A group tether or control apparatus for imparting directional control to a group of individuals, such as children, on an outing or field trip, as when crossing a street or touring a building. The group operator has control of a main handle. A plurality of handle strings are releasably connected to the main handle and have a plurality of stations, each station including a secondary handle to be grasped by a group member. The secondary handles are connected by line segments which can carry pennants to identify the group or alert others, such as motorists, to the presence of the group. Handle strings are detached or attached to the main handle as needed. The group leader leads the group by walking ahead with the main handle, and the group members follow by maintaining a grasp on the secondary handles.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: January 14, 1986
    Inventor: Roy L. Kramer