| Patents for John P. Brophy |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 616,887 | Jan. 03, 1899 | J.P. Brophy | Lathe Attachment for Cutting Irregular Forms | metal lathe accessories and attachments |
| 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 |