Patents by Inventor John T. Siwula

John T. Siwula 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).

  • Patent number: 4478413
    Abstract: A torsion type exercise device including three sections hinged to each other in a manner which allows the device to be folded up so that the three sections rest in a position adjacent to each other and to be folded out to allow the said three sections to form a platform upon which exercises can be performed. One of the sections has a handle fastened to it to facilitate transporting the device in the folded condition. One of the sections has fastened to it a strap or device which can be used to fasten an individual's legs or other body parts to the platform during the performance of "sit-ups" or other exercises requiring or facilitated by the fastening of an individual's legs or other body parts to the platform. One of the sections contains an adjustable torsion spring mechanism connected to pulleys, cables, and handles fashioned in a manner to offer an adjustable resistance to an individual's muscular movements as he pulls on the handles.
    Type: Grant
    Filed: September 3, 1980
    Date of Patent: October 23, 1984
    Inventor: John T. Siwula
  • Patent number: 4308588
    Abstract: (1.) An electronic checkbook consisting of:(A.) a dedicated microprocessor which continues to perform a specific function and store the information on a day to day basis, even when not otherwise in use,(B.) Checks.(C.) Checking stubs with numbers corresponding to the checks upon which can be kept handwritten records of the balance, checks written, and deposits made.(D.) Checking account deposit slips.(E.) A folder containing all of the above .In regards to the dedicated microprocessor, four high priority routines are present which are able to interrupt the main program:(1.) When the "STOP" position is selected, it halts the processor and turns off the display.(2.) Depressing the "CLEAR" button will clear the display and second register if not in "STOP".(3.) When the "REMOVE PROTECT" button is depressed, the contents of the memory effectively become zero, if not in "STOP".(4.) When the "POST BALANCE" button is depressed, the contents of the display are added to the contents of memory, if not in "STOP".
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: December 29, 1981
    Inventor: John T. Siwula
  • Patent number: 4290708
    Abstract: A microprocessor which is attachable to any object such as a checkbook, folder or notebook by fastening means extending from an attachable surface of the microprocessor housing. In one form the fastening means includes a plurality of elongated fastening elements each connected to the microprocessor housing and extending generally perpendicular from the housing attachable surface for connection to the object. In another form the fastening means includes a clip connected at one end to microprocessor housing and extending along the housing attachable surface to receive a portion of the object between the clip and housing to hold the microprocessor and object together.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: September 22, 1981
    Inventor: John T. Siwula
  • Patent number: 4222109
    Abstract: An electronic checkbook consisting of:A. a dedicated microprocessor which continues to perform a specific function and store the information on a day to day basis, even when not otherwise in use.B. Checks.C. Checking stubs with numbers corresponding to the checks upon which can be kept handwritten records of the balance, checks written, and deposits made.D. Checking account deposit slips.E. A folder containing all of the above.In regards to the dedicated microprocessor, four high priority routines are present which are able to interrupt the main program:1. When the "STOP" position is selected, it halts the processor and turns off the display.2. Depressing the "CLEAR" button will clear the display and second register if not in "STOP."3. When the "REMOVE PROTECT" button is depressed, the contents of the memory effectively become zero, if not in "STOP."4. When the "POST BALANCE" button is depressed, the contents of the display are added to the contents of memory, if not in "STOP.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: September 9, 1980
    Inventor: John T. Siwula
  • Patent number: D274179
    Type: Grant
    Filed: February 4, 1981
    Date of Patent: June 5, 1984
    Inventor: John T. Siwula