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| Patents for Harry Bitner | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 418,847 | Jan. 07, 1890 | H. Liefer | Bench Vise | |
| 628,916 | Jul. 18, 1899 | H. Bitner | Door check and spring | ||
| 733,537 | Jul. 14, 1903 | H. Bitner | Mop-head | ||
| 789,115 | May 02, 1905 | H. Bitner | Mop-head | ||
| 809,243 | Jan. 02, 1906 | H. Bitner | Mop-holder | ||
 | 845,608 | Feb. 26, 1907 | H. Bitner | Cork-Puller | |