Patents Assigned to Educational Health Products, Inc.
  • Method of forming dental floss with string and brush portions
    Patent number: 4277297
    Abstract: A teeth cleaner to be passed through a crevice between adjacent teeth for dislodging particles therein consisting of a plurality of elongate filaments having a string portion in which the filaments are parallel and closely packed and a spongy brush portion of larger diameter caused by the textured filaments being randomly distorted and a yarn formed therefor.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: July 7, 1981
    Assignee: Educational Health Products, Inc.
    Inventor: Thomas F. Thornton