| All Patents in class 55/459.1 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 373,374 | Nov. 15, 1887 | O.M. Morse | Dust-collector | waste collection mechanisms |
| 403,362 | May 14, 1889 | O.M. Morse | Dust-collector | waste collection mechanisms |
| 446,507 | Feb. 17, 1891 | E. Bretney | Dust-collector | waste collection mechanisms |
| 450,372 | Apr. 14, 1891 | O.M. Morse | Dust-collector | waste collection mechanisms |
| 591,307 | Oct. 05, 1897 | B. Tupholme | Apparatus for Roasting Coffee | coffee roasters |
| 2,990,032 | Jun. 27, 1961 | R.L. Sandvig | Separator for use with rock drills | separators |
