Patents by Inventor Stig E. E. Olofsson

Stig E. E. Olofsson 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).

  • Thread reel
    Patent number: 4603820
    Abstract: A thread reel is previously known at its two ends is provided with two flanges arranged beside each other and between which the thread is intended to be attached. According to the invention the two flanges arranged beside each other are situated at a small distance from each other, and the inner flanges are of such a construction that they will be pressed with their peripheries into contact with the outer flanges by means of the thread applied on the reel.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: August 5, 1986
    Inventor: Stig E. E. Olofsson