Ryan Lee Stefan

US Patent:

8241150, Aug 14, 2012

Filed:

Sep 23, 2011

Appl. No.:

13/243777

Inventors:

Ryan L. Stefan - Carlsbad CA, US
Dean A. Snell - San Marcos CA, US
Hyun J. Kim - Carlsbad CA, US

Assignee:

Taylor Made Golf Company, Inc. - Carlsbad CA

International Classification:

A63B 37/12

US Classification:

473384

Abstract:

The present invention is to a golf ball having an equator at latitude 0 and two poles; and an equator region defined by latitudes 0 to 25, a shoulder region defined by latitudes from more than 25 to less than 65, and a pole region defined by latitudes 65 to 90; and a dimple pattern on the surface of the golf ball having an average dimple volume of the equator region Ve, an average dimple volume of the shoulder region, Vs, and an average dimple volume of the pole region, Vp such that the ratio Vs/Ve is less than 0. 97 and the ratio Vp/Vs is less than 0. 97.

US Patent:

8632423, Jan 21, 2014

Filed:

Jul 18, 2012

Appl. No.:

13/552367

Inventors:

Ryan L. Stefan - Carlsbad CA, US
Dean A. Snell - San Marcos CA, US
Hyun J. Kim - Carlsbad CA, US

Assignee:

Taylor Made Golf Company, Inc. - Carlsbad CA

International Classification:

A63B 37/12

US Classification:

473378

Abstract:

The present invention is to a golf ball having an equator at latitude 0 and two poles; and an equator region defined by latitudes 0 to 25, a shoulder region defined by latitudes from more than 25 to less than 65, and a pole region defined by latitudes 65 to 90; and a dimple pattern on the surface of the golf ball having an average dimple volume of the equator region Ve, an average dimple volume of the shoulder region, Vs, and an average dimple volume of the pole region, Vp such that the ratio Vs/Ve is less than 0. 97 and the ratio Vp/Vs is less than 0. 97.

US Patent:

20090209367, Aug 20, 2009

Filed:

Feb 13, 2009

Appl. No.:

12/378386

Inventors:

Ryan L. Stefan - Carlsbad CA, US
Dean A. Snell - San Marcos CA, US
Hyun J. Kim - Carlsbad CA, US

International Classification:

A63B 37/12
A63B 37/00

US Classification:

473373, 473383, 473384, 473378, 473374

Abstract:

The present invention is to a golf ball having an equator at latitude 0 and two poles; and an equator region defined by latitudes 0 to 25, a shoulder region defined by latitudes from more than 25 to less than 65, and a pole region defined by latitudes 65 to 90; and a dimple pattern on the surface of the golf ball having an average dimple volume of the equator region Ve, an average dimple volume of the shoulder region, Vs, and an average dimple volume of the pole region, Vp such that the ratio Vs/Ve is less than 0.97 and the ratio Vp/Vs is less than 0.97.

US Patent:

20120157238, Jun 21, 2012

Filed:

Dec 15, 2010

Appl. No.:

12/969452

Inventors:

Ryan L. Stefan - Carlsbad CA, US

International Classification:

A63B 37/14
B29C 33/42

US Classification:

473378, 425116

Abstract:

A golf ball comprises two generally hemispherical portions joined together at a parting line and comprising dimples on respective outer surfaces thereof. The parting line comprises a repeating pattern of curved segments alternating with straight segments. The parting line crosses a geometric equator of the golf ball, and wherein the parting line intersects at least one dimple bordering the equator. A mold for producing a golf ball is also described.

US Patent:

20170080291, Mar 23, 2017

Filed:

Dec 5, 2016

Appl. No.:

15/369708

Inventors:

- Carlsbad CA, US
Ryan L. Stefan - Carlsbad CA, US

Assignee:

Taylor Made Golf Company, Inc. - Carlsbad CA

International Classification:

A63B 37/00
B29C 45/00
A63B 45/00

Abstract:

A golf ball comprises two generally hemispherical portions joined together at a parting line and comprising dimples on respective outer surfaces thereof. The parting line comprises a repeating pattern of curved segments alternating with straight segments. The parting line crosses a geometric equator of the golf ball, and wherein the parting line intersects at least one dimple bordering the equator. A mold for producing a golf ball is also described.