Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842630 | Manufacture of glassware articles of improved strength | David Braithwaite, Robert J. Douglas, James P. Poole, Harold Rawson | 1989-06-27 |
| 4798617 | Method of forming a parison in the manufacture of hollow articles of glassware | Thomas V. Foster, David Alderson | 1989-01-17 |