Patents by Inventor Uno Arne Ivan Stahl

Uno Arne Ivan Stahl 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).

  • Method for printing combinations of signs in a predetermined number and in an irregular sequence
    Patent number: 4116129
    Abstract: Combinations of signs in a series of a predetermined number of combinations are printed in an irregular sequence by means of printing plates supplied one at a time to a printing station. The sequence of the plates is changed from one print of the series to the other.
    Type: Grant
    Filed: August 4, 1976
    Date of Patent: September 26, 1978
    Inventors: Uno Arne Ivan Stahl, Nils Magnus Hakansson