| Patents Granted on 1900-04-?? |
Patents 1 -
15
of 58
      |
| Number | Date | Patentee | Title | Type |
| D32,458 | Apr. 03, 1900 | G.F. Conner | Traction Wheel | traction engine wheels |
| 646,414 | Apr. 03, 1900 | T. Corscaden | Pulley | industrial machine pulleys and belt drive mechanisms |
| 646,439 | Apr. 03, 1900 | J.P. Lavigne | Expansible Bit | adjustable drill bits |
| 646,452 | Apr. 03, 1900 | J. McLean | Acetylene-Gas Machine | gas generators |
| 646,458 | Apr. 03, 1900 | H.A. Pedrick | Pneumatic Hoisting Apparatus | hoists, winches, come-alongs |
| 646,480 | Apr. 03, 1900 | J.W. Wilkinson | Handsaw Attachment | backsaws |
| 646,499 | Apr. 03, 1900 | W. Lodge | Lathe Rest | metal lathe accessories and attachments |
| 646,511 | Apr. 03, 1900 | J.R. Thomas | Abrading-cylinder | sanding machines |
| 646,565 | Apr. 03, 1900 | E. Wright | Pipe Wrench | pipe wrenches |
| 646,576 | Apr. 03, 1900 | L.W. Greenleaf, G.W. Greenleaf | Mortising-machine | mortising machines |
| 646,700 | Apr. 03, 1900 | W. Houghtaling | Steam Engine Indicator | steam engine indicators |
| 646,708 | Apr. 03, 1900 | W.N. Rumely | Stacker Fan for Theshers | threshers and thrashers |
| 646,867 | Apr. 03, 1900 | O. Owens | Igniter for Gas Engines | ignition systems |
| 646,924 | Apr. 03, 1900 | J.W. Stow | Machine for Actuating Reciprocating Tools | reciprocating crosscut saws |
| 646,967 | Apr. 10, 1900 | E. Ferry | Tool Holder | lathe tool holders and tool posts |
