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| Patents for Robbins Engineering Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,217,048 | Oct. 08, 1940 | C.W. Floss | Magnetic work holder | magnetic chucks | |
| 2,531,921 | Nov. 28, 1950 | R.A. Schultz | Surface finishing fixture | grinders | |
| 2,622,487 | Dec. 23, 1952 | R.A. Schultz | Indexing table | indexers and dividers | |
| 2,767,460 | Oct. 23, 1956 | R.A. Schultz | Turbine blade and method of making same | gas turbines | |