Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D467356 | Shingle | — | 2002-12-17 |
| 6487828 | Tabbed shingles length cut at mid-tab | — | 2002-12-03 |
| D466629 | Shingle | — | 2002-12-03 |
| 6465058 | Magnetic method for depositing granules onto an asphalt-coated sheet | William Huykman, David P. Aschenbeck | 2002-10-15 |
| 6421976 | Shingle for optically simulating a tile roof | Bert W. Elliott, Frank J. Macdonald | 2002-07-23 |
| 6358319 | Magnetic method and apparatus for depositing granules onto an asphalt-coated sheet | William Huykman, David P. Aschenbeck | 2002-03-19 |