Patents Assigned to Blackstone Manufacturing Co., Inc.
  • Vehicle step
    Patent number: 4106790
    Abstract: A vehicle step which includes a pair of pivotally supported levers or links to which are pivotally connected a pair of pivotally connected tread supporting members. Said members engage a transverse bar which together with the levers guide the tread in its movement so that it may be easily moved to extended or retracted positions with fingertip ease.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: August 15, 1978
    Assignee: Blackstone Manufacturing Co., Inc.
    Inventor: Raywood C. Weiler
  • Tire carrier for a van type vehicle
    Patent number: D256345
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: August 12, 1980
    Assignee: Blackstone Manufacturing Co., Inc.
    Inventor: Raywood C. Weiler