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| Patents for Desmond-Stephan Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,185,259 | May 30, 1916 | C.H. Stephan | Emery-wheel dresser | grinder dressers | |
| 1,878,763 | Sep. 20, 1932 | H. Henz, R.S. McConnell, H.H. Dovell | Grinding wheel dresser | grinder dressers | |
| 2,469,871 | May 10, 1949 | G. Eaton | Grinding wheel dresser | grinder dressers | |
| 2,638,887 | May 19, 1953 | G. Eaton | Grinding wheel dresser | grinder dressers | |
| 2,817,103 | Dec. 24, 1957 | H.C. Johnston | Dressing tool | ||
| CA-562,616 | Sep. 02, 1958 | H.C. Johnston | Dressing tool | ||
| 2,926,654 | Mar. 01, 1960 | H.C. Johnston | Grinding wheel dresser | grinder dressers | |
| 3,039,451 | Jun. 19, 1962 | R.S. McConnell | Grinding wheel dressers | grinder dressers | |
| CA-671,558 | Oct. 01, 1963 | R.S. McConnell | Grinding wheel dressers | grinder dressers | |
| 4,237,853 | Dec. 09, 1980 | R.B. Mcconnell | Dresser design | grinder dressers | |
| 5,980,371 | Nov. 09, 1999 | R.B. McConnell | Abrading tool | ||