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US Patent: 3,027,271
Pressure sensitive adhesive sheet material having a protective coating of heat removable material
Patentees:
Robert E. Politi - Winchester, MA
Paul A. Plasse - Lexington, 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 pdf tiff
Google Patents
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"Vintage Machinery" entry for Oliver Machinery Co.

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