Land vehicles – Skates – Wheeled skate
Patent
1988-03-18
1990-05-29
Marmor, Charles A.
Land vehicles
Skates
Wheeled skate
36115, 36 15, 280 1131, A63C 1714
Patent
active
049289829
ABSTRACT:
The present invention relates to a set of disks rotatably attached to a sole plate or plates or other footwear to effect a roller skate mode, such disks to be capable of retraction or removal to effect a walk/run mode.
REFERENCES:
patent: 1975661 (1934-10-01), Powell
patent: 2422228 (1947-06-01), Ferrar
patent: 3351353 (1967-11-01), Weitzner
patent: 3983643 (1976-10-01), Schreyer et al.
Mar Michael
Marmor Charles A.
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