| Patents for Alonzo Galloway Decker |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 1,229,401 | Jun. 12, 1917 | S.D. Black, A.G. Decker | Drill gearing | handheld power tools |
| 1,245,860 | Nov. 06, 1917 | S.D. Black, A.G. Decker | Electrically-driven tool | handheld power tools |
| 1,463,305 | Jul. 31, 1923 | S.D. Black, A.G. Decker | Pumping apparatus | |
| 1,492,095 | Apr. 29, 1924 | S.D. Black, A.G. Decker | Electrically-driven tool | handheld power tools |
| 1,548,020 | Aug. 04, 1925 | S.D. Black, A.G. Decker | Reversing means for electric tools | handheld power tools |
| 1,574,020 | Feb. 23, 1926 | A.G. Decker, S.D. Black | Electric-cord protector | handheld power drills |
| 1,647,396 | Nov. 01, 1927 | A.G. Decker | Rotary tool with key pocket | drill chucks |
| 1,649,060 | Nov. 15, 1927 | A.G. Decker | Portable power-driven rotary tool with spindle latch and hand-operated chuck | handheld power drills |
| 1,699,870 | Jan. 22, 1929 | S.D. Black, A.G. Decker | Portable tool | handheld power tools |
| 1,702,245 | Feb. 19, 1929 | S.D. Black, A.G. Decker | Electrical connection for portable electric tools | handheld power tools |
| 1,752,422 | Apr. 01, 1930 | A.G. Decker | Portable electric tapper | handheld power tool accessories |
| 2,155,082 | Apr. 18, 1939 | A.G. Decker | Portable electric tool and casing | handheld power drills |
