Patents by Inventor Daniel J. Syvrud

Daniel J. Syvrud 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).

  • Plastic molding apparatus
    Patent number: 5225215
    Abstract: A plastic molding apparatus which produces the molded part on a centrally located core with this core being elongated and having a non-linear, longitudinal, center axis. The core is removed from the molded part by being pulled directly from the molded part which causes the molded part to assume a temporarily deformed shape with the molded part then springing back into its molded shape after removal of the core.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: July 6, 1993
    Inventor: Daniel J. Syvrud