Hand and wrist exerciser

Games – toys – and sports goods – Exercise equipment – Bar type


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D21604, 2102




patent: D285329 (1986-08-01), Boettger, Jr.
patent: D313827 (1991-01-01), Smith
patent: D358856 (1995-05-01), Boettger, Jr.
patent: 3006646 (1961-10-01), Nanni
patent: 3084547 (1963-04-01), Nielsen
patent: 3741539 (1973-06-01), Hutchins et al.
patent: 4193593 (1980-03-01), Wilson
patent: 4316531 (1982-02-01), Spence
patent: 4351527 (1982-09-01), Crisp, Jr.
patent: 4643417 (1987-02-01), Nieman
patent: 5284458 (1994-02-01), Perry et al.


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