RJ

Richard Johnstone

KT Kearney & Trecker: 14 patents #1 of 44Top 3%
TW The Gleason Works: 2 patents #39 of 120Top 35%
Overall (All Time): #303,305 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5297055 Multi-functional measurement system 1994-03-22
5197231 Rotary cutter having expanded cutting ring Harry Pedersen, Richard L. Kitchen 1993-03-30
5066176 Probe for machine tool 1991-11-19
4784894 Molded polymer composite Edward E. Kirkham, Edward J. Hummelt 1988-11-15
4628441 Automatic dynamic error compensator Edward E. Kirkham, Han C. Chung, Lyle D. Ostby 1986-12-09
4533859 Motorized ball nut 1985-08-06
4527661 Adaptive control system for machine tool or the like Edward E. Kirkham 1985-07-09
4514123 Adaptive control system for machine tool or the like Edward E. Kirkham 1985-04-30
4487087 Ball nut having adustable preloading 1984-12-11
4472783 Flexible manufacturing system Jody E. Kurtzhaltz 1984-09-18
4462080 Voice actuated machine control Edward E. Kirkham 1984-07-24
4390953 Unmanned diagnostic communications system for computer controlled machine tools 1983-06-28
RE31247 Diagnostic communications system for computer controlled machine tools 1983-05-17
4266120 Unmanned machining center with tool checking 1981-05-05
4238034 Automatic tool changer for machine tool Charles B. Sipek, Russell B. Clegg 1980-12-09
4185376 Unmanned machining center with tool checking 1980-01-29