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US Patent: 884,751
Repair Tool
Patentees:
George B. McBean (exact or similar names) - Chicago, IL
Charles W. Birchwood (exact or similar names) - Chicago, IL

USPTO Classifications:
254/120, 254/130, 254/131, 29/220, 81/140

Tool Categories:
specialty tools : valve spring tools

Assignees:
Mechanical & Electrical Manufacturing Company - Chicago, IL

Manufacturer:
Mechanical & Electrical Manufacturing Company - Chicago, IL

Witnesses:
E. M. Klatcher
G. A. Tauberschmidt
K. A. Costello
W. H. Cotton
Patent Dates:
Applied: Dec. 02, 1907
Granted: Apr. 14, 1908

Patent Pictures:
George B. McBean and Charles W. Birchwood patent April 14, 1908
USPTO (New site tip)
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Description:
A two-piece stand and lever forming an adjustable valve spring compressor.

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