| Patents for Adolph  Muehlmatt | 
| Patents 1 - 
					9
					of 9 
       | 
| Number | Date | Patentee | Title | Type | 
| 481,238 | Aug. 23, 1892 | A. Muehlmatt | Engraver's block |  | 
| 497,809 | May 23, 1893 | A. Muehlmatt | Machine for bending stud-spirals |  | 
| 911,667 | Feb. 09, 1909 | A. Muehlmatt | Engraver's block |  | 
| 973,542 | Oct. 25, 1910 | A. Muehlmatt | Boring-head for lathes, milling-machines, and the like | boring heads | 
| 985,536 | Feb. 28, 1911 | A. Muehlmatt | Mechanical opening and closing spring-chuck | metal lathe accessories and attachments | 
| D42,397 | Apr. 09, 1912 | A. Muehlmatt | Design for an engravers's block |  | 
| 1,057,762 | Apr. 01, 1913 | A. Muehlmatt | Holder for engraving-blocks |  | 
| 1,064,759 | Jun. 17, 1913 | A. Muehlmatt | Self-filling fountain-pen |  | 
| 1,497,579 | Jun. 10, 1924 | A. Muehlmatt | Sensitive drill | drill presses |