Patents by Inventor Max Michalke

Max Michalke 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 of making dummy bullets
    Patent number: 3951035
    Abstract: An iron powder is compressed into a disintegrating bullet used for practice ammunition. The powder having a predetermined particle dimension is obtained by atomizing a molten mass of steel with pressurized water. The powder is annealed subsequently, then crushed, scrubbed and sieved to obtain particles at a size preferably between 0.4 to 1 mm.
    Type: Grant
    Filed: November 27, 1972
    Date of Patent: April 20, 1976
    Assignees: Nederlandsche Wapen-en Munitiefabriek De Kruithoorn N.V., Mannesmann Aktiengesellschaft
    Inventors: Norbert Dautzenberg, Josef Hewing, Max Michalke, Henri Weber