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US Patent: 1,774,835
Traction device
Patentee: Alvin O. Lombard (exact or similar names) - Waterville, ME USPTO Classifications: 180/185, 280/855, 305/15 Tool Categories: transportation : motor vehicles : tracks Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 04, 1929 Granted: Sep. 02, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: The invention is a conversion for an automobile to be used in deep snow, where skis replace the front wheels and tracks replace the rear wheels.

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