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US Patent: 1,794,472
Hydraulic Change-Speed-Gear Mechanism
Patentee: Frank H. Mussler (exact or similar names) - Bridgeport, CT USPTO Classifications: 29/64, 409/156, 409/170, 409/223, 74/346, 82/905, 91/536 Tool Categories: Assignees: Bullard Co. - Bridgeport, CT Manufacturer: Bullard Co. - Bridgeport, CT Witnesses: Unknown	Patent Dates: Applied: Oct. 16, 1925 Granted: Mar. 03, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Bullard Machine Tool Co.

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