Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777023 | Method and apparatus for monitoring granule coloration on an asphalt coated sheet | David Rodenbaugh | 2004-08-17 |
| 6758993 | System and method for minimizing cure-induced residual stress in an epoxy impregnated ignition coil | Carleton L. Berk, Diane Hageman | 2004-07-06 |
| 6692608 | Method of making simulated wood shake shingle having vertical shadow lines | — | 2004-02-17 |