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US Patent: 85,749
Improved method of securing rubber rings or disks to the door of vats, &c.
Patentee:
Charles H. Mellor (exact or similar names) - Philadelphia, PA

USPTO Classifications:
220/323, 251/357, 292/260

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry Smith
John White
Patent Dates:
Granted: Jan. 12, 1869

Patent Pictures:
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