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US Patent: 1,761,891
Lubricating System
Patentee:
Charles W. Manzel (exact or similar names) - Buffalo, NY

USPTO Classifications:
184/7.4

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: Apr. 14, 1925
Granted: Jun. 03, 1930

Patent Pictures:
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