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US Patent: 2,251,976
Indicator for Internal Combustion Engines
Patentee:
Gilman W. Brown (exact or similar names) - Danvers, Essex County, MA

USPTO Classifications:
346/107.1, 346/4

Tool Categories:
propulsion and energy : internal combustion engines : internal combustion engine indicators

Assignees:
Gilman W. Brown - Danvers, Essex County, MA
Charles H. Endee - Milton, Norfolk County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 14, 1939
Granted: Aug. 12, 1941

Patent Pictures:
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