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US Patent: 4,839,957
Method of applying a door hinge
Patentee:
Erline S. Jangaard (exact or similar names) - Madeira Beach, FL

USPTO Classifications:
29/434, 29/525.11, 414/806, 81/57.23

Tool Categories:
woodworking machines : specialty woodworking machines

Assignees:
Ruvo Automation Corp. - Largo, FL

Manufacturer:
Merrick Machine Co. - Alda, NE
Ruvo Automation Corp. - Largo, FL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 06, 1988
Granted: Jun. 20, 1989

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Merrick Machine Co.
Vintage Machinery entry for Ruvo Automation Corp.
Description:
This is part of a machine for manufacturing pre-hung doors.

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