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US Patent: 248,539
Safety attachment and governor for elevators
Patentee:
Aretus A. Wilder (exact or similar names) - Detroit, MI

USPTO Classifications:
187/346

Tool Categories:
specialty machines : elevators and lifts
material handling : industrial elevators and lifts

Assignees:
Aretus A. Wilder - Detroit, MI
Corydon B. Palmer - Detroit, MI

Manufacturer:
Not known to have been produced

Witnesses:
William M. Porter
Samuel E. Thomas

Patent Dates:
Applied: Sep. 27, 1881
Granted: Oct. 18, 1881

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for A. A. Wilder

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