Vertically Swinging Patents (Class 213/164)
  • Compact transparent dongle device
    Patent number: 6128741
    Abstract: A compact hardware key for protecting software executing on a computer is disclosed. The hardware key uses a two piece insulator design in which each insulator piece provides a double layer insulator body for protection from tampering, insulator areas for electrically isolating I/O connector pins, and an integral circuit board support portion for securely mounting the circuit board assembly. The compact hardware key also comprises a unique coaxially displaced interrupt pin structure.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: October 3, 2000
    Assignee: Rainbow Technologies, Inc.
    Inventors: Rudy Goetz, Bahram Afghani, Allan D. Anderson, Patrick N. Godding, Maarten G. Punt
  • Safety mine car coupling and uncoupling apparatus
    Patent number: 4043457
    Abstract: A safety mine car coupling and uncoupling apparatus, adapted for attachment to the hitch of a conventional mine car to insert and withdraw a coupling pin, comprises a base plate attached to a member for guiding the travel of the coupling pin and one or more lever arms pivotably mounted on the base plate and extending beyond the plane of at least one lateral side of the car to permit an operator to couple and uncouple the car without standing between cars.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: August 23, 1977
    Inventors: Joseph Miller, Clinton Cline