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| Patents for David M. Strauchen | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,523,883 | Sep. 26, 1950 | M. Garvin, D.M. Strauchen | Heat Treating Machine | heat treating machines | |
| 2,555,517 | Jun. 05, 1951 | D.M. Strauchen, M. Garvin | Automatic Heat Treating Machine | heat treating machines | |
| 2,621,717 | Dec. 16, 1952 | M. Garvin, D.M. Strauchen | Annular Torch Head for Flame Hardening Machines | flame hardening machines | |