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| Patents for Wladyslaw T. Kosinski | |||||
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| Number | Date | Patentee | Title | Type | |
| 117,303 | Jul. 25, 1871 | W.T. Kosinski | Portable Forges | portable forges | |
| 241,674 | May 17, 1881 | W.T. Kosinski | Pipe Wrench | chain and strap wrenches | |
| 257,344 | May 02, 1882 | W.T. Kosinski | Device For Converting Motion | chain and strap wrenches | |
| 257,874 | May 16, 1882 | W.T. Kosinski | Device For Converting Reciprocating Into Rotary Motion | pipe wrenches | |