Games – toys – and sports goods – Exercise equipment – Spring or compression type
Patent
1998-08-05
1999-09-21
Hyder, Philip S.
Games, toys, and sports goods
Exercise equipment
Spring or compression type
D21662, 2102
Patent
active
D04142276
REFERENCES:
patent: D353859 (1994-12-01), Grey
patent: 4783067 (1988-11-01), Palmer
patent: 5160304 (1992-11-01), Van Der Hoeven
patent: 5547446 (1996-08-01), Szabo
patent: 5637066 (1997-06-01), Chang
patent: 5651755 (1997-07-01), Chen
Hyder Philip S.
Kor-One, Ltd.
Titus John D.
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