US Patent: 3,262,219 - Reading Training Devices


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US Patent: 3,262,219

Reading Training Devices

Patentee:

Howard A. Bristol (exact or similar names) - Dolton, Cook County, IL

USPTO Classifications:

Tool Categories:

Assignees:

Supreme Products Corp. - Chicago, Cook County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: