| Patents for Barnes Drill Co. |
Patents 136 -
144
of 144
      |
| Number | Date | Patentee | Title | Type |
| 3,844,546 | Oct. 29, 1974 | D.K. Greenberg | Clamping fixture for a tubular workpiece | |
| 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 | |
| 4,025,433 | May 24, 1977 | D.K. Greenberg | Magnetic separating apparatus | |
| 4,110,218 | Aug. 29, 1978 | M. Roger, M.R. Estabrook | Liquid cleaning apparatus having cyclonic separators | separators |
| 4,199,455 | Apr. 22, 1980 | M.R. Estabrook | Combined magnetic and cyclonic separating apparatus | |
| 4,528,776 | Jul. 16, 1985 | M.R. Estabrook | Honing machine with stonewear compensator | honing machines |
| 4,850,382 | Jul. 25, 1989 | D.P. Williams | Work booth for a robot | |
| 5,050,352 | Sep. 24, 1991 | M.R. Estabrook, C.R. Van Sickle | Honing stone assembly | honing machines |
