| Patents for Calvin H. Brown |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 863,832 | Aug. 20, 1907 | F.P. Boland | Positive-pressure blower | blowers |
| 914,105 | Mar. 02, 1909 | F.P. Boland | Sand-blast machine | sand blasters |
| 959,017 | May 24, 1910 | C.R. Ladeveze | Joint or miter plane tool | miter machines |
| 959,049 | May 24, 1910 | F.P. Boland | Positive-pressure blower | blowers |
| 981,911 | Jan. 17, 1911 | F.P. Boland | Sawdust-box | jeweler |
| 1,018,236 | Feb. 20, 1912 | J.J. Cooper | Implement For Automobile Engines | valve spring tools |
| 1,163,205 | Dec. 07, 1915 | F.P. Boland | Apparatus for drying jewelry and the like | jeweler |
| 1,217,397 | Feb. 27, 1917 | F.P. Boland | Process and means for filtering water | jeweler |
| 1,294,035 | Feb. 11, 1919 | F.P. Boland | Drying process and apparatus for tentering and other machines | dressing cloth |
