Patents by Inventor Donn A. Wilbur

Donn A. Wilbur 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).

  • Mold for a golf ball
    Patent number: 6632078
    Abstract: A golf ball mold having non-planar parting lines and a method for forming a cover using such mold are disclosed herein. The mold has a pair of mold halves, and each mold half has a non-planar perimeter. The non-planar perimeter has alternating extensions and indentations. Each of the extensions has an apex that may be curved, and each of the indentations has a depression that may be curved. The mold may be used in compression molding, injection molding and cast molding a layer on a golf ball. The mold may be used to produce golf balls having non-dimpled surfaces.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: October 14, 2003
    Assignee: Callaway Golf Company
    Inventors: Steven S. Ogg, Donn A. Wilbur
  • Mold for a golf ball
    Publication number: 20020037335
    Abstract: A golf ball mold having non-planar parting lines and a method for forming a cover using such mold are disclosed herein. The mold has a pair of mold halves, and each mold half has a non-planar perimeter. The non-planar perimeter has alternating extensions and indentations. Each of the extensions has an apex that may be curved, and each of the indentations has a depression that may be curved. The mold may be used in compression molding, injection molding and cast molding a layer on a golf ball. The mold may be used to produce golf balls having non-dimpled surfaces.
    Type: Application
    Filed: December 7, 2001
    Publication date: March 28, 2002
    Applicant: Callaway Golf Company
    Inventors: Steven S. Ogg, Donn A. Wilbur