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CA Patent: CA-580,911
Shock absorbing mechanism
Patentee:
George Haumann (exact or similar names) - Portland, OR

USPTO Classifications:

Tool Categories:

Assignees:
Irvington Machine Works Inc. - Portland, OR

Manufacturer:
Irvington Machine Works, Inc. - Portland, OR

Witnesses:
Unknown
Patent Dates:
Granted: Aug. 04, 1959

Patent Pictures:
CIPO Data
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Vintage Machinery entry for Irvington Machine Works

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