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US Patent: 204,945
Improvement in pulverizing apparatus
Patentee:
Henry Bolthoff (exact or similar names) - Central City, CO

USPTO Classifications:
241/137, 241/179, 241/80

Tool Categories:
specialty machines : ore processing apparatus

Assignees:
Henry Bolthoff - Central City, CO
Charles F. Hendrie - Central City, CO

Manufacturer:
Hendrie & Bolthoff Manufacturing & Supply CO. - Denver, CO

Witnesses:
Edward A. Spooner
Frank B. Hart

Patent Dates:
Applied: Apr. 23, 1878
Granted: Jun. 18, 1878

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hendrie & Bolthoff Mfg. & Supply Co.

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