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US Patent: 2,474,196
Instrument Mounting
Patentee:
Alfred Donald Coltman (exact or similar names) - Vancouver, BC, Canada

USPTO Classifications:
248/183.2

Tool Categories:
photographic apparatus : camera tripods

Assignees:
Graflex, Inc. - Rochester, Monroe County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 17, 1945
Granted: Jun. 21, 1949

Patent Pictures:
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