Games – toys – and sports goods – Exercise equipment – For hand – wrist – or finger only
Patent
1998-03-06
1998-12-29
Hyder, Philip S.
Games, toys, and sports goods
Exercise equipment
For hand, wrist, or finger only
2102
Patent
active
D04033850
REFERENCES:
patent: 4530496 (1985-07-01), Smith et al.
patent: 4553746 (1985-11-01), Lee
patent: 4726580 (1988-02-01), Batiste et al.
patent: 5409436 (1995-04-01), Chang
patent: 5599256 (1997-02-01), Hughes, Jr.
Ferguson David W.
Smyser Michael A.
Hyder Philip S.
MD Systems
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