All Patents in class 81/28 |
Patents 16 -
30
of 89
|
Number | Date | Patentee | Title | Type |
72,099 | Dec. 10, 1867 | D.Y. Smith | Improvement in Auger-Handles | auger handles |
75,870 | Mar. 24, 1868 | C.M. Daboll | Improvement in braces for bits | brace chucks |
76,956 | Apr. 21, 1868 | J. Swan | Improvement in auger-handles | hand drills |
79,825 | Jul. 14, 1868 | A.D. Goodell | Bit-stock | brace chucks |
80,365 | Jul. 28, 1868 | H.D. Pennoyer | Improvement in Auger-Handles | auger handles |
83,156 | Oct. 20, 1868 | T.C. Hendry | Improvement in Auger-Handles | auger handles |
90,919 | Jun. 08, 1869 | E. Broad | Improvement in Attaching Augers to Handles | auger handles |
92,927 | Jul. 27, 1869 | A. Amory | Improvement in guide-attachments for boring-instruments | drill accessories |
95,220 | Sep. 28, 1869 | D.W. George | Improvement in Auger Handles | |
97,398 | Nov. 30, 1869 | G.W. Herring | Improvement in Auger-Handles | auger handles |
97,830 | Dec. 14, 1869 | J. Swan | Improvement in Auger-Handles | auger handles |
108,267 | Oct. 11, 1870 | W.A. Ives | Improvement in Auger-Handles | auger handles |
110,920 | Jan. 10, 1871 | W.A. Ives | Improvement in Auger-Handles | auger handles |
112,419 | Mar. 07, 1871 | W. Cleveland | Bit-brace | braces |
133,440 | Nov. 26, 1872 | C.L. Griswold | Improvement in Gimlets | gimlets |