Undertaking
Patent
1981-04-01
1983-01-25
Grieb, William H.
Undertaking
272 67, A63B 2118
Patent
active
043699677
ABSTRACT:
A training aid for drilling muscles of a user comprises a rectangular lead plate which can be easily bent, and a cover member made of soft and resilient rubber. The lead plate is completely surrounded by the cover member. The training aid can be mounted on user's wrist, ankle, arm, leg, neck, etc. by bending the lead plate. More than one training aid can be piled one over another.
REFERENCES:
patent: 991256 (1911-05-01), Whilde
patent: 2017071 (1935-10-01), Minor
patent: 3490766 (1970-01-01), Gardner
patent: 3580572 (1971-05-01), Stafford
patent: 4197720 (1980-04-01), Nani
Browne William R.
Field Lawrence I.
Grieb William H.
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