| Patents for Carl L. Grohmann |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 574,535 | Jan. 05, 1897 | C.L. Grohmann | Gas Engine | gas and gasoline engines |
| 608,854 | Aug. 09, 1898 | C.L. Grohmann, L.E. Harper | Ball-bearing | industrial machine bearings |
| 610,677 | Sep. 13, 1898 | C.L. Grohmann | Tail-stock for milling-machines | milling machines |
| 612,239 | Oct. 11, 1898 | L.E. Harper, C.L. Grohmann | Machine for dressing metals or other materials | bicycle machinery |
| 612,240 | Oct. 11, 1898 | L.E. Harper, C.L. Grohmann | Machine for dressing and grinding metal | grinders |
| 612,332 | Oct. 11, 1898 | C.L. Grohmann | Attachment for metal-working machines | milling machine accessories |
| 612,412 | Oct. 18, 1898 | C.L. Grohmann | Index-head for milling-machines | indexers and dividers |
| 612,466 | Oct. 18, 1898 | C.C. Tyler, C.L. Grohmann | Milling-machine | milling machines |
| 736,517 | Aug. 18, 1903 | C.L. Grohmann | Clutch | industrial machine clutches |
| 786,211 | Mar. 28, 1905 | C.L. Grohmann | Linotype-machine | printer |
| 927,525 | Jul. 13, 1909 | C.L. Grohmann | Variable Speed Mechanism | metalworking variable speed mechanisms |
| 968,047 | Aug. 23, 1910 | C.L. Grohmann | Attachment for Milling Machines | milling machine accessories |
| 1,182,477 | May 09, 1916 | C.L. Grohmann, B.M. Hanson | Boring-machine | drilling and boring |
