Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8535391 | Catalysed dye systems | Patrick McGowan, Christopher Martin Pask, Christopher Mark Rayner | 2013-09-17 |
| 8361167 | Natural hair dyes | Paul Martin Rose, Christopher Mark Rayner | 2013-01-29 |
| 5137012 | Pellet burning stove | William W. Crossman, Jr., Derik K. Andors, Allan S. Wilker, John H. Guest | 1992-08-11 |
| D327734 | Pellet burning stove | Vance R. Smith, Allan S. Wilker | 1992-07-07 |
| D327735 | Fireplace front | Vance R. Smith, Stephen F. Richardson | 1992-07-07 |
| 5092313 | Gas log fireplace with high heat output | William Anthony Byrne, Stephen F. Richardson, Robert W. Ferguson | 1992-03-03 |