US Patent: 3,629,910 - Handle Assembly for Picture Projection Screen


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US Patent: 3,629,910

Handle Assembly for Picture Projection Screen

Patentees:

Richard C. Kirberg (exact or similar names) - Elk Grove Village, Cook County, IL

Christopher C. Hsiao (exact or similar names) - Buffalo Grove, Cook County, IL

USPTO Classifications:

Tool Categories:

Assignees:

Graflex, Inc. - Rochester, Monroe County, NY

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: