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US Patent: 1,437,353
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Patentee: John W. Parker (exact or similar names) - Barrington, VT USPTO Classifications: 235/103, 235/133R, 235/140 Tool Categories: industrial tools : rpm speed gauges and tachometers Assignees: Brown & Sharpe Mfg. Co. - Providence, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, RI Witnesses: J. A. Miller M. A. Kingsley	Patent Dates: Applied: Jan. 21, 1922 Granted: Nov. 28, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Brown & Sharpe Mfg. Co.
Description: This patent date was seen on a Brown & Sharpe No. 748 speed indicator. The No. 746 was a "vest pocket" version of the No. 748 indicator.

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