Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192701 | Double wall plastic article and method and apparatus for forming a double wall plastic article with a pair of thermoplastic sheets | Raymond H. Martin | 1980-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192701 | Double wall plastic article and method and apparatus for forming a double wall plastic article with a pair of thermoplastic sheets | Raymond H. Martin | 1980-03-11 |