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US Patent: 190,894
Improvement in lamps
Patentee: Leverett Homer Olmsted (exact or similar names) - Brooklyn, NY USPTO Classifications: 362/314 Tool Categories: household : lamps Assignees: None Manufacturer: L. H. Olmsted - Brooklyn, NY Witnesses: Edward Holly H. Wells, Jr.	Patent Dates: Applied: May 01, 1877 Granted: May 15, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for L. H. Olmsted
Description: Another improvement on patent 188,533. Decades after this patent the inventor would manufacture a power hacksaw.

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