1
Christopher Cavallaro, John P Giza: Method of making a golf ball having multiple layers. Acushnet Company, Pennie & Edmonds, March 16, 1999: US05882567 (209 worldwide citation)

A method of forming a golf ball by forming a core, forming a first layer around the core using a fixed-pin molding process, and forming a second layer around the first layer.


2
John P Giza: Retractable pin mold. Acushnet Company, Lucas & Just, September 25, 1990: US04959000 (77 worldwide citation)

An improved retractable pin mold for golf balls has a gate valve positioned at the pole of the core.


3
John P Giza: Method for stripping molded U-shaped article from mold. Acushnet Company, Pennie & Edmonds, October 27, 1992: US05158736 (3 worldwide citation)

A cavity stripper which is positioned between two mold plates of a mold is used to remove a molded U-shaped article from a cup in one of the mold plates. The cavity stripper is movably attached to the mold plate that houses the cup. The cavity stripper is spring loaded such that it follows the movin ...


4
John P Giza: Apparatus for stripping a molded U-shaped article from an injection mold. Acushnet Company, Lucas & Just, January 29, 1991: US04988280 (2 worldwide citation)

A cavity stripper which is positioned between two mold plates of a mold is used to remove a molded U-shaped article from a cup in one of the mold plates. The cavity stripper is movably attached to the mold plate that houses the cup. The cavity stripper is spring loaded such that it follows the movin ...



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