| All Patents in class 51/298 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 13,531 | Sep. 04, 1855 | T.B. Smith, E. Strange | Machine for sawing hoops | cylindrical saws |
| 2,308,854 | Jan. 19, 1943 | C.E. Barnes | Abrasive Article | grinder wheels |
| 2,943,926 | Jul. 05, 1960 | G.J. Goepfert | Abrasive Wheel Composition | grinder wheels |
| 3,030,198 | Apr. 17, 1962 | H.S. Kibbey | Abrasive Article | grinder wheels |
| 3,113,006 | Dec. 03, 1963 | H.S. Kibbey | Filler for Grinding Wheels | grinder wheels |
| 3,116,986 | Jan. 07, 1964 | E.C. Johns, G.J. Geopfert | Method of Making Cold-Molded Abrasive Wheel | grinder wheels |
| 3,183,633 | May 18, 1965 | J.W. Decker | Polyurethane Gear Finishing Tool | gear cutting tools |
| 3,212,869 | Oct. 19, 1965 | J.W. Decker | Tool for Finishing Toothed Elements | gear cutting tools |
| 3,269,813 | Aug. 30, 1966 | H.S. Kibbey | Abrasive Article Containing Zirconium Tetraflouride Filler | grinder wheels |
| 3,389,117 | Jun. 18, 1968 | D.I. Dally, V.G. Soukup, S.E. Kozdemba | Dressable Heat Conductive Backing for Abrasive Wheels | grinder wheels |
| 3,551,125 | Dec. 29, 1970 | R.T. Hallewell | Method of forming a grinding wheel | grinding wheels |
| 3,918,218 | Nov. 11, 1975 | M.H. Zoiss | Filamentary cutting tool containing solid microparticles and method of making it | |
| 3,972,161 | Aug. 03, 1976 | M.H. Zoiss | Solid abrading tool with fiber abrasive | |
| 5,536,282 | Jul. 16, 1996 | R.A. Gary, S.C. Yoon | Method for Producing an Improved Vitreous Bonded Abrasive Article and the Article Produced Thereby | grinder wheels |
