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US Patent: 925,078
Rotation Indicating Instrument
Patentees:
Harry P. C. Browne (exact or similar names) - New York, NY
William H. Palmer, Jr. (exact or similar names) - New York, NY

USPTO Classifications:
180/313, 235/95R

Tool Categories:
specialty tools : speedometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 18, 1907
Granted: Jun. 15, 1909

Patent Pictures:
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