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US Patent: 4,934,422
Bench mountable plate joining machine
Patentees:
Jeffrey L. Haffely (exact or similar names) - Gibsonia, PA
Charles J. Baird (exact or similar names) - Pittsburgh, PA
Robert M. Hempy (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
144/136.1, 144/136.9, 144/136.95, 144/371, 269/189, 269/297, 269/303, 33/570, 409/178, 409/182

Tool Categories:

Assignees:
Delta International Machinery Corp. - Pittsburgh, PA

Manufacturer:
Delta International Machinery Corp. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 18, 1989
Granted: Jun. 19, 1990

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.

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