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US Patent: 2,525,596
Optical Projection Screen
Patentee:
Robert R. Finn (exact or similar names) - Springfield, Windsor County, VT

USPTO Classifications:
359/446, 359/449, 359/454

Tool Categories:
metalworking tools : machinist tools : measuring tools : comparators

Assignees:
Jones & Lamson Machine Co. - Springfield, Windsor County, VT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 21, 1949
Granted: Oct. 10, 1950

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Jones, Lamson & Co.

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