Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D887176 | Pillow | — | 2020-06-16 |
| D853754 | Pillow | — | 2019-07-16 |
| 6509960 | Method and apparatus employing external light source for endpoint detection | David Johnson, Joe Lee Phillip, Robert James Hatfield | 2003-01-21 |
| 6429928 | Method and apparatus employing external light source for endpoint detection | David Johnson, Joe Lee Phillips, Robert James Hatfield | 2002-08-06 |
| 5969805 | Method and apparatus employing external light source for endpoint detection | David Johnson, Joe Lee Phillips, Robert James Hatfield | 1999-10-19 |