| Patents for Mermac Products, Inc. |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 2,221,173 | Nov. 12, 1940 | R.S. Gutsell | Sanding or polishing wheel | grinding wheels |
| 2,377,880 | Jun. 12, 1945 | R.S. Gutsell | Centrifugal abrasive-sheet holding wheel | grinding wheels |
| 2,801,504 | Aug. 06, 1957 | J.R. MacIntosh, S.A. Mercurio | Abrasive wheel structure | grinding wheels |
| 2,874,519 | Feb. 24, 1959 | J.R. MacIntosh, S.A. Mercurio | Expansible abrasive wheel | grinding wheels |
| 2,963,833 | Dec. 13, 1960 | J.R. MacIntosh, S.A. Mercurio | Expansible wheel and hub structure | grinding wheels |
