System for duplicating bowling ball finger and thumb holes

Details System for duplicating bowling ball finger and thumb holes System for duplicating bowling ball finger and thumb holes

1992-07-06

1993-01-26

Haroian, Harry N.

Geometrical instruments

Gauge

Bowling ball

33 212, 33562, G01B 314

Patent

active

051813254

ABSTRACT:
A system for transferring finger and thumb hole locations from a first bowling ball having finger and thumb holes to a second bowling ball which employs a transparent template marked to show the hole locations and the location of the first bowling ball positive axis point. The template is applied to the second bowling ball and that ball marked through the marks indicating the hole locations.

REFERENCES:
patent: 2706338 (1955-04-01), Ackerman et al.
patent: 3063163 (1962-11-01), Dukes
patent: 3100353 (1963-08-01), Chamberlin
patent: 3161041 (1964-12-01), Amburgey
patent: 3429049 (1969-02-01), Snoddy
patent: 3878762 (1975-04-01), Goldsmith
patent: 4191357 (1980-03-01), Nesbitt
patent: 4242801 (1981-01-01), Ellison
patent: 4257165 (1981-03-01), Ellison
patent: 4742620 (1988-05-01), Manker
patent: 5092054 (1992-03-01), Cipiti

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