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US 5,248,878 AGranted
Golf ball marking method
AssigneeBridgestone Corporation
InventorKeisuke Ihara
Life of this patent
Estimating the term…
Abstract
A golf ball is marked by directing laser light to a selected surface portion of the ball, thereby causing the exposed surface layer portion to change its color. The discolored portion forms an identification mark on the ball surface. The mark is durable and aesthetically attractive while the ball maintains dimensional precision.
Claims5
A method for marking a golf ball comprising the step of:
- directing laser light to a selected portion of a golf ball on its surface, thereby causing the portion of a golf ball surface layer exposed to laser light to change its color, the discolored portion forming a desired indication on the ball surface.
Dependencies are inferred from the claim text.