Patents by Inventor Albert A. Wrobel

Albert A. Wrobel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Motor vehicle theft deterrent device
    Patent number: 4592317
    Abstract: A motor vehicle theft deterrent device comprising a supply of oil or other oily fluid introduced into the motor vehicle engine intake through one of the engine suction lines upon operation of the engine while a hidden switch is closed and turns on a valve disposed in the line connecting a reservoir containing the oil or oily fluid to the engine intake. The excess oil or oily fluid being ingested by the engine causes a telltale cloud of smoke at the exhaust and causes malfunction of the engine.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: June 3, 1986
    Assignee: Benjamin Brant
    Inventor: Albert A. Wrobel