| All Patents of Type: drill chucks |
Patents 1 -
15
of 77
      |
| Number | Date | Patentee | Title | Type |
| 42,592 | May 03, 1864 | S.A. Morse | Improved collet | drill chucks |
| 44,067 | Sep. 06, 1864 | E.B. Beach | Improved self-centering chuck | drill chucks |
| RE2,104 | Nov. 14, 1865 | E.B. Beach | Self-centering chuck | drill chucks |
| 54,760 | May 15, 1866 | L.H. Olmsted | Improvement in chucks | drill chucks |
| 56,059 | Jul. 03, 1866 | F.G. Johnson | Improvement in Drill-Chucks | drill chucks |
| 78,916 | Jun. 16, 1868 | E.H. Babcock | Drill Chuck | drill chucks |
| 141,978 | Aug. 19, 1873 | T.R. Almond | Improvement in chucks | drill chucks |
| 144,128 | Oct. 28, 1873 | L. Parmelee | Improvement in chucks | drill chucks |
| 146,143 | Jan. 06, 1874 | H.M. Olmsted | Improvement in drill-chucks | drill chucks |
| 150,672 | May 12, 1874 | G.D. Belcher | Improvement in drill-chucks | drill chucks |
| 173,152 | Feb. 08, 1876 | T.R. Almond | Improvement in Drill-Chucks | drill chucks |
| 194,109 | Aug. 14, 1877 | H.L. Pratt | Improvement in Drill-Chucks | drill chucks |
| 194,122 | Aug. 14, 1877 | H.B. Beach | Improvement in drill-chucks | drill chucks |
| 195,997 | Oct. 09, 1877 | C. Elterich | Improvement in drill-chucks | drill chucks |
| 196,205 | Oct. 16, 1877 | C. Elterich, A.H. Briggs | Improvement in drill-chucks | drill chucks |
