Games – toys – and sports goods – Exercise equipment – Weight
Patent
1996-07-18
1999-02-09
Hyder, Philip S.
Games, toys, and sports goods
Exercise equipment
Weight
D21682, 2102
Patent
active
D04054849
REFERENCES:
patent: D194042 (1962-11-01), Guthormsen
patent: D278358 (1985-04-01), Zwilling
patent: D309763 (1990-08-01), Solloway
patent: D355007 (1995-01-01), Rojas et al.
patent: D377202 (1997-01-01), Rohan
patent: 3226117 (1965-12-01), Walklet
patent: 3771785 (1973-11-01), Speyer
patent: 4311306 (1982-01-01), Solloway
patent: 4455020 (1984-06-01), Schnell
patent: 4482151 (1984-11-01), Zwilling
patent: 4817944 (1989-04-01), Anderson et al.
patent: 4828256 (1989-05-01), Lee
patent: 4854575 (1989-08-01), Wilson et al.
patent: 4880229 (1989-11-01), Broussard
patent: 5137502 (1992-08-01), Anastasi
patent: 5573484 (1996-11-01), Carpenter
Bethlehem Steel Co. Catalog, Carbon Steel Bar and Special Sections Catalog, 1937.
Bodybuilding: The Weider Approach, pp. 177 & 30, 1981, dumbells on p. 177.
Muscle & Fitness Magazine, Sep. 1992, p. 263--dumbells at top left corner.
Frasco Scott J.
Rojas Michael D.
Hyder Philip S.
Iron Grip Barbell Company, Inc.
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