| Patents Granted on 1900-05-22 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 649,895 | May 22, 1900 | J. Allen | Wagon-jack | wagon and cart jacks |
| 649,902 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,903 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,904 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | automatic lathes |
| 649,905 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | metal lathe accessories and attachments |
| 649,906 | May 22, 1900 | J.P. Brophy | Automatic Lathe Attachment | automatic lathes |
| 649,934 | May 22, 1900 | T.R. James | Micrometer Attachment for Tools | micrometers |
| 649,939 | May 22, 1900 | S.M. De Merritt, E.R. Leighton | Seam Ripper | sewing tools |
| 649,972 | May 22, 1900 | T.S. Watson | Electric-motor-controlling device | dental apparatus |
| 649,987 | May 22, 1900 | S.C. Jones | Cornering-Tool | shaves |
| 650,020 | May 22, 1900 | W. McClellan | File Cutting Machine | making files |
| 650,035 | May 22, 1900 | A.R. Clizbe | Grinding Machine | sharpeners |
| 650,077 | May 22, 1900 | W.T. Hatten | Pipe Wrench | pipe wrenches |
| 650,103 | May 22, 1900 | G.L. Walter | Power Hammer | drop hammers |
| 650,131 | May 22, 1900 | B.G. Luther | Belt-tightener | metalworking power transmission |
