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| Patents for Anna Heigis | |||||
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| Number | Date | Patentee | Title | Type | |
| 908,605 | Jan. 05, 1909 | F.C. Olin | Crank and Yoke Connection | ||
| 1,029,664 | Jun. 18, 1912 | C. Cabana | Shock-absorber for vehicles | motor vehicle suspensions | |
| 1,069,450 | Aug. 05, 1913 | C.W. Manzel | Force Feed Lubricator | tool lubricators | |
| 1,158,211 | Oct. 26, 1915 | C. Holly | Machine for Making Boxes | cardboard box making machines | |
| 1,241,080 | Sep. 25, 1917 | E.F. Beugler | Machine for Preparing Shells to Receive Heads | barrel making machines | |