Patents Represented by Law Firm Sennigner, Powers, Leavitt & Roedel
  • Bird counter
    Patent number: 5983837
    Abstract: A bird counter capable of separating, detecting, and counting birds. A counterrotating rotor mechanism having flexible fingers receives the birds into a space between the rotors substantially one at a time to separate the birds. The counterrotating rotor mechanism expels the birds from the space substantially one at a time. A fiber optic bird detecting system detects the number of expelled birds after the birds have been separated by the counterrotating rotors.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: November 16, 1999
    Assignee: American Calan, Inc.
    Inventors: Douglas V. Briggs, George C. Stevens
  • Pneumatic hand tool
    Patent number: D408243
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: April 20, 1999
    Assignee: S.P. Air Kabusiki Kaisha
    Inventor: Osamu Izumisawa