| Patents for Gustaf David Sundstrand | 
| Patents 1 - 
					15
					of 21 
       | 
| Number | Date | Patentee | Title | Type | 
| 1,338,757 | May 04, 1920 | G.D. Sundstrand | Relieving attachment for lathes | metal lathe accessories and attachments | 
| 1,352,849 | Sep. 14, 1920 | G.D. Sundstrand | Milling Machine | milling machines | 
| 1,425,717 | Aug. 15, 1922 | G.D. Sundstrand | Milling Machine | milling machines | 
| 1,430,268 | Sep. 26, 1922 | G.D. Sundstrand | Milling Machine | milling machines | 
| 1,481,486 | Jan. 22, 1924 | G.D. Sundstrand | Feed Box | metalworking power transmission | 
| 1,493,650 | May 13, 1924 | G.D. Sundstrand | Rubbing machine | sanding machines | 
| 1,499,084 | Jun. 24, 1924 | G.D. Sundstrand | Vertical milling attachment |  | 
| 1,598,172 | Aug. 31, 1926 | G.D. Sundstrand | Lathe | metal lathes | 
| 1,639,756 | Aug. 23, 1927 | G.D. Sundstrand | Lathe |  | 
| 1,663,670 | Mar. 27, 1928 | G.D. Sundstrand | Lathe |  | 
| 1,663,671 | Mar. 27, 1928 | G.D. Sundstrand | Lathe |  | 
| 1,672,475 | Jun. 05, 1928 | G.D. Sundstrand | Lathe |  | 
| 1,694,363 | Dec. 04, 1928 | G.D. Sundstrand | Machine tool |  | 
| 1,736,141 | Nov. 19, 1929 | G.D. Sundstrand | Safety control device |  | 
| 1,770,048 | Jul. 08, 1930 | G.D. Sundstrand | Automatic lathe |  |