| Patents for Edwin L. Connell |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 1,471,308 | Oct. 16, 1923 | E.L. Connell | Electric switch | |
| 1,536,565 | May 05, 1925 | E.L. Connell | Guard for grinding wheels | bench or pedestal grinders |
| 1,546,474 | Jul. 21, 1925 | E.L. Connell | Electric switch and handle | handheld power drills |
| 1,587,760 | Jun. 08, 1926 | E.L. Connell | Electric motor | handheld power drills |
| RE16,737 | Sep. 13, 1927 | E.L. Connell | Electric switch | handheld power tools |
| 1,679,155 | Jul. 31, 1928 | E.L. Connell | Power hand tool | |
| 1,679,175 | Jul. 31, 1928 | F. Schneider, E.L. Connell | Chuck | |
| 1,692,487 | Nov. 20, 1928 | E.L. Connell | Motor-driven threading tool | |
| 1,732,038 | Oct. 15, 1929 | F. Schneider, E.L. Connell | Stud-setting machine | |
| 1,754,222 | Apr. 15, 1930 | E.L. Connell | Electric drill | |
| 1,834,145 | Dec. 01, 1931 | E.L. Connell | Valve seating counterboring tool | |
| 1,852,736 | Apr. 05, 1932 | E.L. Connell | Drilling or tapping machine | |
| 1,854,825 | Apr. 19, 1932 | E.L. Connell | Method of making alpha collet | |
| 1,917,752 | Jul. 11, 1933 | E.L. Connell | Collet | |
