Referenced by|
| US4042898 | 10 Mar 1975 | 16 Aug 1977 | Hitachi, Ltd. | Pole piece for use in magnet device and method for manufacturing same | | US4043369 | 11 Mar 1976 | 23 Aug 1977 | | Edge deformable lock nut | | US6086305 | 13 Jan 1999 | 11 Jul 2000 | Illinois Tool Works Inc. | Nails having selected heat treatment and hardening | | US6273974 | 15 May 2000 | 14 Aug 2001 | Illinois Tool Works Inc. | Selected heat treatment and hardening method for nails | | US6364972 | 15 May 2000 | 2 Apr 2002 | Illinois Tool Works Inc. | Method for selectively hardening a carbon steel screw |
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