| All Patents in class 408/99 |
Patents 16 -
30
of 39
      |
| Number | Date | Patentee | Title | Type |
| 431,606 | Jul. 08, 1890 | H.E. Harbaugh, G.W. Midgley | Drilling-machine | drill presses |
| 462,397 | Nov. 03, 1891 | G. Dalin | Drilling-machine | drill presses |
| 463,659 | Nov. 24, 1891 | E.E. Claussen | Drilling-machine | drill presses |
| 465,626 | Dec. 22, 1891 | J. Waterman | Convertible Drill and Wrench | wrench combination tools |
| 477,130 | Jun. 14, 1892 | J.H. Lawles | Machine for Turning Patterns in Pearl Ivory or Other Substances | button making machinery |
| 486,869 | Nov. 29, 1892 | D.H. Gowing | Hub-boring machine | wheelwright |
| 506,865 | Oct. 17, 1893 | D.C. Stover, F.W. Hoefer, E.A. Hoefer, A. Hoefer | Sensitive drill | drill presses |
| 704,657 | Jul. 15, 1902 | S. McClellan | Joist-boring tool | |
| 831,697 | Sep. 25, 1906 | B.F. Barnes | Drilling-machine | drill presses |
| 855,814 | Jun. 04, 1907 | V.E. Royle | Combined jig-saw and drill | drill presses |
| 857,020 | Jun. 18, 1907 | J.H. Birch, J.H. Birch | Suspended drill-press | drill presses |
| 1,005,187 | Oct. 10, 1911 | K.L. Frazer | Drilling-machine | specialty woodworking machines |
| 1,103,179 | Jul. 14, 1914 | W.E. Elliott | Arbor Press | arbor presses |
| 1,433,387 | Oct. 24, 1922 | P.H. Leckinger | Drill press | drill presses |
| 1,701,673 | Feb. 12, 1929 | F.B. Hewel | Attachment for portable drills | handheld power tool accessories |
