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All Patents in class 91/285
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
72,714	Dec. 31, 1867	W. Ball	Steam Engine	steam engines
384,336	Jun. 12, 1888	W. Ross, G. Ross	Water-engine valve
1,912,413	Jun. 06, 1933	E.J. Svenson	Milling machine
1,998,003	Apr. 16, 1935	L.F. Nenninger, C.W. Goodrich, H. Ernst	Hydraulic Feed Control	hydraulic apparatus
2,108,354	Feb. 15, 1938	F.A. Swanson	Blind end cylinder honing machine

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