Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662867 | Controlled heating of a coating material | Frank J. Macdonald, Ramesh K. Patel | 2003-12-16 |
| 6610147 | Shingle granule valve and method of depositing granules onto a moving substrate | — | 2003-08-26 |
| 6582760 | Blend drop conveyor for deposition granules onto an asphalt coated sheet | — | 2003-06-24 |