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US Patent: 236,910
Door-check
Patentee:
Francis V. Phillips - Chicago, IL

USPTO Classifications:
292/270

Tool Categories:
household : door and window hardware

Assignees:
George H. Dayton - Chicago, IL

Manufacturer:
Smith & Phillips Manufacturing Co. - Chicago, IL

Witnesses:
M. E. Dayton
Jesse Cox, Jr.

Patent Dates:
Applied: Apr. 16, 1880
Granted: Jan. 25, 1881

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Smith & Phillips Manufacturing Co.
Description:
The assignee co-owned Chicago hardware retailer Dayton Bros.

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