Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481188 | Apparatus and method for sealing an article | William David Graham | 2002-11-19 |
| 6465058 | Magnetic method for depositing granules onto an asphalt-coated sheet | William Huykman, John D. Phillips | 2002-10-15 |
| 6440216 | Apparatus for depositing granules onto an asphalt coated sheet | — | 2002-08-27 |
| 6358319 | Magnetic method and apparatus for depositing granules onto an asphalt-coated sheet | William Huykman, John D. Phillips | 2002-03-19 |