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US Patent: 658,994
Focusing Device for Cameras
Patentee:
John A. Mosher (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
396/144

Tool Categories:
photographic apparatus : cameras : focusing attachments

Assignees:
Adams & Westlake Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 31, 1899
Granted: Oct. 02, 1900

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Adams & Westlake Co.

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