Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5862169 | Float glass production | Robert Trevelyan, Graham Unwin, Peter J. Whitfield | 1999-01-19 |
| 5827341 | Method and apparatus for making glass | Peter J. Whitfield, Robert Trevelyan, Andrew Michael Keeley | 1998-10-27 |
| 4995340 | Glass coating apparatus | Malcom J. Rigby | 1991-02-26 |