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US Patent: 1,699,833
Picture-projecting apparatus
Patentee: Penrose E. Chapman (exact or similar names) - St. Louis, MO USPTO Classifications: 352/116 Tool Categories: photographic apparatus : projectors Assignees: Walter A. Horner - Chicago, IL Manufacturer: P. E. Chapman Electrical Works, Inc. - St. Louis, MO Witnesses: Unknown	Patent Dates: Applied: Dec. 04, 1919 Granted: Jan. 22, 1929 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for P. E. Chapman Electrical Works, Inc.

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