Patents by Inventor Henry Ragatz

Henry Ragatz 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: 5197501
    Abstract: A multi-purpose cane includes a shaft portion that can be adjusted to different lengths, and an electrical circuit that is used to activate a light generating element and/or an alarm or communicating unit. The electrical circuit includes a manual switch mounted on a handle portion of the cane. A rechargeable battery unit is located in the handle portion, and a second light unit can be mounted on a tip of the cane so the can be used to direct light longitudinally of the shaft portion. The other light generating unit can be moved to direct light at various angles with respect to the shaft portion.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: March 30, 1993
    Inventor: Henry Ragatz