| Patents Granted on 1900-04-10 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 646,967 | Apr. 10, 1900 | E. Ferry | Tool Holder | lathe tool holders and tool posts |
| 646,993 | Apr. 10, 1900 | C.A. Scott | Explosion Engine | gas and gasoline engines |
| 647,015 | Apr. 10, 1900 | C.E. Miller | Rotary Steam Engine | rotary steam engines |
| 647,084 | Apr. 10, 1900 | F. Girard | Turning Lathe | automatic lathes |
| 647,137 | Apr. 10, 1900 | H. Hill | Cutting Tool | lathe tools |
| 647,311 | Apr. 10, 1900 | G.J. Spahn, W.T. Maxwell | Boring implement | hand drills |
| 647,332 | Apr. 10, 1900 | H.T. Shearer | Lathe Attachment | metal lathe accessories and attachments |
| 647,384 | Apr. 10, 1900 | G.A. Ensign | Hub-turning lathe | wheelwright |
| 647,397 | Apr. 10, 1900 | R. Gascoigne | Apparatus for Leveling Boilers of Road Locomotives | traction engine boiler leveling apparatus |
