Patents for Adolph Muehlmatt |
Patents 1 -
9
of 9
      |
Picture | Number | Date | Patentee | Title |
 | 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 |
 | 985,536 | Feb. 28, 1911 | A. Muehlmatt | Mechanical opening and closing spring-chuck |
 | 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 |