Patents Represented by Law Firm Technical Patent Institute
  • Patent number: 4847589
    Abstract: An emergency signal sending apparatus for emitting a preset sequence of visual and auditory signals. The apparatus can be manually or automatically switched so as to indicate the nature of assistance required by the signal sender. The signal sending apparatus can be equipped with a sudden or rollover motion sensing automatic switching device so that the preset signalling sequences will be initiated regardless of operator input. The signal sending apparatus includes an auditory signalling unit so that signalling can be successfully accomplished even if the sending apparatus is obscured from view.
    Type: Grant
    Filed: July 26, 1988
    Date of Patent: July 11, 1989
    Inventor: Hugh L. Dobbins
  • Patent number: 4827743
    Abstract: A combination locking assembly comprising a mechanism wherein the actuation push buttons are jammed and prevented from being depressed when a single one of the push buttons is already depressed. The combination locking assembly further having combination resetting means including a panel which pivots in a first direction and clears the combination and also assists in setting the new combination by pivoting in a second direction.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: May 9, 1989
    Inventor: Sung B. Kim