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| Patents for Park Metalware Co., Inc. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,482,338 | Jan. 29, 1924 | J. Zilliox | Luggage Carrier | |
 | 1,491,942 | Apr. 29, 1924 | J. Zilliox | Wrench | |
 | 1,491,943 | Apr. 29, 1924 | J. Zilliox | Bolt Key | |
 | 2,206,364 | Jul. 02, 1940 | J.N. Petre | Screw Driver Attachment | |
 | 2,476,762 | Jul. 19, 1949 | J.O. Olsen, J.N. Petre | Chuck | |
| 2,487,174 | Nov. 08, 1949 | J.N. Petre | Tool Kit | ||
 | 2,596,594 | May 13, 1952 | J.N. Petre | Chuck Feature of Tools of the Detachably Connected Shank and Handle Type | |