Transportation – Rail vehicle – Element or attachment
Patent
1976-07-23
1978-06-27
Burke, Wallace R.
Transportation
Rail vehicle
Element or attachment
182127, 182 17, D0699
Patent
active
D02482908
REFERENCES:
patent: 2798652 (1957-07-01), Easton
patent: 2923373 (1960-02-01), Ledgerwood
Global Equipment Co., Catalog No. 47A, .COPYRGT.1974, p. 26, Ladder, top center of page, p. 22, Stairway Unit, bottom left side of page.
Burke Wallace R.
Gandy James M.
Moody Si Ltd.
Swabey Alan
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