Patents by Inventor Robert A. Allmansberger

Robert A. Allmansberger 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).

  • Patent number: 4164806
    Abstract: A metallic end bead is attached to the main wire of a musical instrument string by providing the bead in apertured form, roughening or otherwise irregularizing its hole surface and then plastically deforming it to press its hole surface irregularities into the surface of a wire inserted through the hole. The bead has tapered end portions to inhibit cracking during the deforming step. The process is one lending itself to economical mass production of beaded strings and the beads may be provided with either a matte or polished finish on their visible surfaces.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: August 21, 1979
    Assignee: National Musical String Company
    Inventors: W. Norman Stone, Robert A. Allmansberger
  • Patent number: 4095505
    Abstract: A snare for a musical drum is comprised of a set of molded plastic cords having integrally molded enlargements or nodules evenly spaced along the length of each cord. The cords are attached to metal or plastic end pieces, and in the case of plastic end pieces the end pieces and cords may all be molded as a single one-piece unit.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: June 20, 1978
    Assignee: National Musical String Company
    Inventors: Fred A. Hoey, Robert A. Allmansberger