Interposer Movable By Senser Patents (Class 234/84)
Integral or fixed thereto (Class 234/85)
Biased interposer and senser (Class 234/86)
  • Voting machine with punch card attachment
    Patent number: 4025040
    Abstract: A compact, lightweight, manually operated voting machine with provisions for straight ticket, selective and write-in voting, and for choosing two or more candidates from a list of several running at large; with provision for recording each voter's choice on a punch card for computer counting, and including a mechanical counter automatically totalling the votes for each candidate for confirmation of the punch card count.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: May 24, 1977
    Assignee: Riverside Press, Inc.
    Inventor: Cothburn M. O'Neal