Series 3: Patents, 1872-1888

Box 9 / Folder 1
Brush Windmill System. Patent drawings, ca. 1888


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Box 9 / Folder 2
Patents 123,148 (Improvements in Lock Nuts) and 8,718 (Electric Lamp). This volume includes published specifications of 68 Brush patents, January 30, 1872 to May 20, 1879


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Box 9 / Folder 3
Patents. This volume includes published specifications of 19 Brush patents, 1877-1886


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Box 9 / Folder 4
Patents, 1877-1881


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Box 9 / Folder 5
Patents. Russian Patent Drawings, 1885-1888


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Box 9 / Folder 6
Petition for Patent. A System and Apparatus for Charging Secondary Batteries, January 1886


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Box 9 / Folder 7
Secondary Batteries. Patent Specification. Case A-E, ca. 1882


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Box 9 / Folder 8
Secondary Batteries. Patent Specification. Case F-J, ca. 1882


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