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US Patent: 1,706,280
Automatic shutter
Patentee:
Orville K. Dyer (exact or similar names) - Buffalo, NY

USPTO Classifications:
110/175A, 15/351, 454/351, 454/353

Tool Categories:

Assignees:
Buffalo Forge Co. - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 07, 1925
Granted: Mar. 19, 1929

Patent Pictures:
USPTO (New site tip)
Google Patents
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