Wheelchair wheel

Details Wheelchair wheel Wheelchair wheel

1986-09-08

1989-11-28

Burke, Wallace R.

Transportation

Perambulator, invalid chair, or stretcher

Element or attachment

D12131, D12211

Patent

active

D03048152

REFERENCES:
patent: D214620 (1969-07-01), Barris
patent: D232717 (1974-09-01), Morris
patent: D244272 (1977-05-01), Raudman, Jr. et al.
patent: 1090743 (1914-03-01), Morat
patent: 2104112 (1938-01-01), Barratt
patent: 4768797 (1988-09-01), Friedrich
patent: 4770467 (1988-09-01), Zinn

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