Patents by Inventor Elis Jansson

Elis Jansson 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).

  • Telescoping measuring rule
    Patent number: 4399616
    Abstract: A measuring rule consists of a plurality of sections which can be displaced telescopically relative to each other and have a first scale for outside measurement which begins at zero at the outer end of one end section. Said sections also have a second scale for inside measurement which begins at the outer end of one end section with a value equal to the length of the measuring rule when the sections are fully contracted.
    Type: Grant
    Filed: October 6, 1981
    Date of Patent: August 23, 1983
    Assignee: Olle Humble
    Inventor: Elis Jansson