Patents by Inventor Raymond B. Holt, Jr.

Raymond B. Holt, 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: 4298907
    Abstract: A flash attachment for a hand held camera having a flash head pivotally mounted on an extendable member. A main unit together with a plurality of modular auxiliary units which may be used to construct the attachment are shown. One embodiment shows a plurality of flash heads and means for firing them rapidly and sequentially while recharging in the same sequence.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: November 3, 1981
    Inventor: Raymond B. Holt, Jr.