Transportation – Special purpose vehicle – Sleigh or sled
Patent
1986-12-12
1989-01-03
Burke, Wallace R.
Transportation
Special purpose vehicle
Sleigh or sled
D21228
Patent
active
D02992183
REFERENCES:
patent: 1394430 (1921-10-01), Koster
patent: 2294704 (1942-09-01), Ware
patent: 2711326 (1955-06-01), Sorensen
patent: 2817101 (1957-12-01), Chaffee
patent: 3788661 (1974-01-01), Hird
Burke Wallace R.
Chin Kay H.
Hudak James A.
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