Patents by Inventor Daniel George Tercho

Daniel George Tercho 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).

  • Non-toxic shot formulation and method of making
    Patent number: 7803314
    Abstract: Non-toxic shot having 40-60% tungsten, 20-60% tin and 0-10% iron. A process of formulating the material is disclosed in which 95% by weight of the particles of each component having mesh sizes less than 325 are blended with a flux having 99.9% by weight particles less than 100 mesh. The blended material is then compaction formed into shape at a pressure range of between 20 and 40 tons per square inch. Finally, the blended material is sintered at a temperature in the range of 350 and 425° F. bonding the powdered metals and driving off the flux.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: September 28, 2010
    Inventor: Daniel George Tercho