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US Patent: 1,924,913
Growler type testing device
Patentees: Charles L. Chittenden (exact or similar names) - New York, NY Penrose E. Chapman (exact or similar names) - St. Louis, MO USPTO Classifications: 324/545, 324/72.5 Tool Categories: electrical devices Assignees: Penrose E. Chapman - St. Louis, MO Manufacturer: P. E. Chapman Electrical Works, Inc. - St. Louis, MO Witnesses: Unknown	Patent Dates: Applied: Nov. 09, 1931 Granted: Aug. 29, 1933 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.
Description: See patent 2,622,128 for a subsequent improvement to this patent.

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