Patents by Inventor Henry D. Ostberg

Henry D. Ostberg 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).

  • Cigarette lighter
    Patent number: 4111638
    Abstract: A cigarette lighter provided with a mechanism which may be preset to restrict the number of cigarettes to be lighted during a given period. The mechanism comprises a rod and cooperating lever and a ratchet gear operated by opening the cover of the lighter. Numbered graduations for showing the number of cigarettes allowed for a given period of time are marked on the ratchet gear.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: September 5, 1978
    Inventor: Henry D. Ostberg