Patents by Inventor Burrell R. Rubenstein

Burrell R. Rubenstein 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).

  • Parking meter
    Patent number: 3930363
    Abstract: A parking meter which electrically indicates "remaining time" and which electrically operates only in the presence of a vehicle and when there is "paid-for" time on the meter. Thus, for example, unused time by one departing motorist is cancelled.
    Type: Grant
    Filed: July 19, 1974
    Date of Patent: January 6, 1976
    Assignee: Burrell R. Rubenstein
    Inventor: Burrell R. Rubenstein
  • Parking meter
    Patent number: RE29511
    Abstract: A parking meter which electrically indicates "remaining time" and which electrically operates only in the presence of a vehicle and when there is "paid-for" time on the meter. Thus, for example, unused time by one departing motorist is cancelled.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: January 10, 1978
    Inventor: Burrell R. Rubenstein