All Patents in class 408/214 |
Patents 16 -
30
of 65
|
Number | Date | Patentee | Title | Type |
36,534 | Sep. 23, 1862 | N.C. Sanford | Improvement in Augers | auger bits |
42,863 | May 24, 1864 | B. Merritt, Jr. | Improvement in machines for boring angular holes | drilling and boring |
55,144 | May 29, 1866 | H.T. Moody | Countersink for Bolts | countersinks |
60,207 | Dec. 04, 1866 | H.C. Lewis | Improved Countersink Bit | countersinks |
61,208 | Jan. 15, 1867 | A.C. Kasson | Improvement in augers | auger bits |
RE2,513 | Mar. 19, 1867 | R. Cook | Improvement in Augers | auger bits |
79,012 | Jun. 16, 1868 | N.C. Sanford | Improvement in Augers | auger bits |
81,069 | Aug. 18, 1868 | R. Cook | Spoon bit with lead screw | spoon bits |
86,293 | Jan. 26, 1869 | H.K. Forbis | Improvement in mortising machines | mortising machines |
88,760 | Apr. 06, 1869 | C. Whitehouse | Improvement in bits and augers | drill bits |
95,379 | Sep. 28, 1869 | T.M. Richardson | Auger with Detachable Tip | auger bits |
95,803 | Oct. 12, 1869 | W.A. Ives | Improvement in Auger | auger bits |
95,846 | Oct. 12, 1869 | S.A. Smith | Improvement in Combined Bit and Tap | auger bits |
RE4,156 | Oct. 18, 1870 | W.A. Ives | Improvement in Augers | auger bits |
111,648 | Feb. 07, 1871 | W.A. Ives | Improvement in Augers | auger bits |