| Patents Granted on 1904-12-20 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| CA-90,643 | Dec. 20, 1904 | E. Helb | Level and grade finders | inclinometers |
| 777,657 | Dec. 20, 1904 | J.P. Bartholomew | Bit-brace jaws | |
| 777,659 | Dec. 20, 1904 | G.E. Bradbury, J. Bradbury, J. Bradbury, Jr., T. Bradbury | Hand mortising-machine | mortising machines |
| 777,779 | Dec. 20, 1904 | H.G. Dittbenner | Sawmill-hog | wood grinding machines |
| 777,817 | Dec. 20, 1904 | F.H. Stolp | Machine for making Radiator Tubes | metal bending machines |
| 777,955 | Dec. 20, 1904 | F.H. Kanning | Wrench | angle adjustable wrenches |
| 778,019 | Dec. 20, 1904 | H. Parker, C.S. Evans | Folding Rule | folding rules |
| 778,130 | Dec. 20, 1904 | D.A. James | Eclipse Level | levels |
| 778,131 | Dec. 20, 1904 | D.A. James | Spirit Level | |
