Patents by Inventor Jarle Fjeldstad

Jarle Fjeldstad 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).

  • Detonator element
    Patent number: 4317413
    Abstract: A delay detonator element having a short delay time, especially 0.1-5.0 ms and advantageously 0.3-2.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: March 2, 1982
    Assignee: A/S Raufoss Ammunisjonsfabrikker
    Inventors: Kare R. Strandli, Thomas Middleton, Jarle Fjeldstad