Baby walker

Details Baby walker Baby walker

1986-07-21

1988-04-26

Gandy, James M.

Transportation

Perambulator, invalid chair, or stretcher

Walker

Patent

active

D02953978

REFERENCES:
patent: D164748 (1950-04-01), Webster
patent: D180593 (1957-07-01), Glass
patent: D240518 (1976-07-01), Ishida
patent: D249669 (1978-09-01), Kassai
patent: D254610 (1980-04-01), Kassai
patent: 631889 (1899-08-01), Friedersdorff
patent: 1518671 (1924-12-01), Novinsky
patent: 2812012 (1957-11-01), Hansburg
patent: 3155426 (1964-11-01), Rockwell
patent: 4225146 (1980-09-01), Takeuchi
patent: 4359242 (1982-11-01), Gerken et al.
patent: 4364576 (1982-12-01), Kassai
patent: 4433869 (1984-02-01), Payne, Jr., et al.
patent: 4576392 (1986-03-01), Quinlan, Jr.
patent: 4579359 (1986-04-01), Schwartz

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