| All Patents of Type: woodworking post drills |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 206,979 | Aug. 13, 1878 | A.J. Smart | Improvement in machines for drilling | woodworking post drills |
| 257,532 | May 09, 1882 | G.C. Taft | Drilling-machine | woodworking post drills |
| 274,026 | Mar. 13, 1883 | O. Plummer | Post for drilling machines | woodworking post drills |
| CA-16,985 | Jun. 18, 1883 | G.C. Taft | Improvements in drilling machines | woodworking post drills |
| 287,209 | Oct. 23, 1883 | E.J. Worcester | Drilling-machine | woodworking post drills |
| 325,373 | Sep. 01, 1885 | E.J. Worcester | Drill-grinding attachment for drilling-machines | woodworking post drills |
| 802,060 | Oct. 17, 1905 | C.E. Stone | Drill | woodworking post drills |
