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US Patent: D193,480
Teaching Machine
Patentee:
Raymond H. Haetjen (exact or similar names) - Rochester, Monroe County, NY

USPTO Classifications:
D10/46, D19/60

Tool Categories:

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 22, 1961
Granted: Aug. 28, 1962

Patent Pictures:
USPTO (New site tip)
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