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US Patent: 1,553,836
Mattress-making machine
Patentee: John D. Pierce (exact or similar names) - Chicago, IL USPTO Classifications: 112/2.1, 112/470.27, 53/524, 53/547 Tool Categories: Assignees: Combination Woodworking Machine Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 19, 1920 Granted: Sep. 15, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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