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US Patent: 3,027,271
Pressure sensitive adhesive sheet material having a protective coating of heat removable material
Patentees: Paul A. Plasse (exact or similar names) - Lexington, MA Robert E. Politi (exact or similar names) - Winchester, MA USPTO Classifications: 427/154, 427/202, 427/208.2, 428/148, 428/346 Tool Categories: Assignees: Oliver Machinery Co. - Grand Rapids, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 03, 1957 Granted: Mar. 27, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oliver Machinery Co.

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