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GB Patent: GB-618,141
Improvements in or relating to pins and plugs for electrical plug and socket connections
Patentees:
Bertram Stevens (exact or similar names) - London, England
William Henry Spivey (exact or similar names) - Middlesex, England

USPTO Classifications:

Tool Categories:
electrical devices : electric switches

Assignees:
Smart & Brown (Engineers), Ltd. - London, England

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 17, 1949

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Jeff Joslin
"Vintage Machinery" entry for Smart & Brown (Engineers), Ltd.

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