| All Patents in class 310/47 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 1,377,288 | May 10, 1921 | A.L. Soresi | Rotary cutting and drilling instrument | handheld power tools |
| 1,541,334 | Jun. 09, 1925 | A.J. Dremel | Electric hair clipper | hair clippers |
| 1,633,389 | Jun. 21, 1927 | W. Stumpf | Electric tool | handheld power tools |
| 2,155,082 | Apr. 18, 1939 | A.G. Decker | Portable electric tool and casing | handheld power drills |
| 3,413,498 | Nov. 26, 1968 | L.H. Bowen, III, C.R. Stelljes | Electrically powered hand tool | handheld power tools |
| 3,652,879 | Mar. 28, 1972 | S.C. Rees, L.E. Plunkett | Electric power tool | handheld power drills |
| 4,866,319 | Sep. 12, 1989 | M.W. Crutchfield | Erasing machine | draftsman |
| 6,043,575 | Mar. 28, 2000 | R.D. DeRome, M.S. Scolaro, A.P. Ghode | Power Tool with Air Deflector for Venting Motor Exhaust Air | |
