Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465058 | Magnetic method for depositing granules onto an asphalt-coated sheet | David P. Aschenbeck, John D. Phillips | 2002-10-15 |
| 6426309 | Storm proof roofing material | David G. Miller, Carla A. Miller, Margaret M. Woodside, Frank J. Macdonald, James S. Belt | 2002-07-30 |
| 6358319 | Magnetic method and apparatus for depositing granules onto an asphalt-coated sheet | David P. Aschenbeck, John D. Phillips | 2002-03-19 |