Class B21L : MAKING CHAINS
Subclass 1/02: Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape (B21L 3/00, B21L 7/00 take precedence) by bending the ends of the workpieces to abut
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 5592809 | Link forming and joining apparatus | Feb 14, 95 | Jan 14, 97 | Crafford Precision Products Co. |
| 5412933 | Automatic link forming apparatus | Sep 17, 92 | May 09, 95 | Mallett; Joel D. |
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