Sliding bulkhead door
United States Patent 2587863
US Patent References:
/0622956.html
- - 0622956

/0647930.html
- - 0647930

/0678407.html
- - 0678407

/0797986.html
- - 0797986

Device for operating bulkhead doors
- - 1846293


Inventors:
Lambert, Francis M.
Publication Date:
03/04/1952
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Assignee:
HEINTZ MFG COMPANY
Primary Class:
114/120
Other Classes:
49/1, 49/216, 49/140
International Classes:
B63B19/00
Foreign References:
GB187602613A
GB125086A
GB171454A
GB404899A