JH

James V. Halvorsen

BG Bryant Grinder: 3 patents #3 of 15Top 20%
EC Excello Co.: 2 patents #45 of 216Top 25%
Overall (All Time): #1,060,973 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5003730 Radius dressing apparatus 1991-04-02
4805585 Radius dressing apparatus 1989-02-21
4721839 Combined bore seat face grinding, EDM and lapping method for finishing fuel injector nozzle bodies Victor F. Dzewaltowski, John M. Check 1988-01-26
4703142 Method of combining grinding and EDM operation for finishing fuel injector nozzle bodies Victor F. Dzewaltowski, John M. Check 1987-10-27
4211425 Replaceable collet in double diaphragm chuck 1980-07-08