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US Patent: 4,046,391
Stair climbing and descending attachment for a hand truck
Patentees: Everett L. Restad (exact or similar names) - Faribault, MN Roger W. Pitan (exact or similar names) - Medford, MN USPTO Classifications: 280/47.27, 280/5.24 Tool Categories: material handling : dollies, carts and hand trucks Assignees: Nutting Truck & Caster Co. - Faribault, MN Manufacturer: Nutting Truck & Caster Co. - Faribault, MN Witnesses: Unknown	Patent Dates: Applied: Jun. 14, 1976 Granted: Sep. 06, 1977 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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