| All Patents in class 408/76 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 676,043 | Jun. 11, 1901 | J.C. Lincoln | Electric drill | handheld power drills |
| 983,083 | Jan. 31, 1911 | J.A. Pealing | Portable drill | portable metal drilling machines |
| 1,006,532 | Oct. 24, 1911 | A. Casazza | Portable magnetic drill | portable metal drilling machines |
| 1,010,975 | Dec. 05, 1911 | W.C. Buege, G. Stroner | Tool holder | handheld power drills |
| 1,248,276 | Nov. 27, 1917 | F.J. Curtis | Machine-tool | horizontal boring mills |
| 2,440,916 | May 04, 1948 | J.W. Durkee, J.M. Rusnak | Precision Measuring and Postioning Device | measuring tools |
| 2,622,457 | Dec. 23, 1952 | E.W. Buck | Portable magnetic-base drill | drill presses |
| 2,938,411 | May 31, 1960 | D.E. Herfurth | Support Arrangement for Electric Drills | portable metal drilling machines |
| 3,044,321 | Jul. 17, 1962 | E.W. Buck | Adjustable Magnetic Drill Mount | portable metal drilling machines |
| 3,044,324 | Jul. 17, 1962 | E.W. Buck | Adjustable Magnetic Drill Mount | portable metal drilling machines |
| RE26,037 | Jun. 14, 1966 | D.E. Herfurth | Electromagnetic Drill Unit | portable metal drilling machines |
| 5,415,502 | May 16, 1995 | B.A. Dahlin | Drill and tap guide | drill and tap guides |
