Cross-country ski exerciser

Details Cross-country ski exerciser Cross-country ski exerciser

1975-12-15

1977-05-17

Schnall, Jerome

Undertaking

272 69, A63B 6918

Patent

active

040237958

ABSTRACT:
A ski exerciser used for simulating the motions required in cross-country skiing on which a skier can practice and exercise under conditions substantially similar conditions to those encountered during cross-country skiing.

REFERENCES:
patent: 1766089 (1930-06-01), Wood
patent: 2274081 (1942-02-01), Mautin
patent: 3332683 (1967-07-01), Rand
patent: 3408067 (1968-10-01), Armstrong
patent: 3455550 (1969-07-01), Hall
patent: 3475021 (1969-10-01), Ruegsegger
patent: 3554541 (1971-01-01), Seaman
patent: 3711089 (1973-01-01), Reinhard
patent: 3711090 (1973-01-01), Fiedler
patent: 3941377 (1976-03-01), Lie

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