Patents by Inventor Kerwin C. Osman

Kerwin C. Osman 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: 5319527
    Abstract: An illuminated apparatus comprises a fixedly mounted air core gage having a spindle which rotates in response to signals provided to the air core gage, a first coil fixably mounted with respect to the air core gage having a first axis coaxial with the spindle, a power source coupled to the first coil, providing power to the first coil, which responsively generates a magnetic flux, a pointer body mounted to the spindle and rotating in response to rotation of the gage spindle, a second coil mounted to the pointer body adjacent to the primary coil, a light source mounted on the pointer body, coupled to and receiving the electric current from the second coil, the electric current illuminating the light source, and a light pipe pointer arm receiving light from the light source and emitting light out of an exit surface to appear as an illuminated pointer to an observer.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: June 7, 1994
    Assignee: Delco Electronics Corporation
    Inventors: Morgan D. Murphy, Steven G. Skiver, David G. Beyerlein, Kerwin C. Osman