Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710426 | Dynamic and thermal mechanical analyzer having an optical encoder with diffraction grating and a linear permanent magnet motor | Kevin J. Reed, John R. Reader, Jr., John W. Schaefer | 1998-01-20 |
| 5509733 | Infrared heated differential thermal analyzer | — | 1996-04-23 |
| 5288147 | Thermopile differential thermal analysis sensor | John W. Schaefer | 1994-02-22 |
| 5125004 | Vacuum induction melting assembly having simultaneously activated cooling and power connections | Raymond J. Roberts | 1992-06-23 |