Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687530 | Method of and apparatus for lining a pipe insulating shell consisting of mineral fibers with a foil | Jakob Friesdorf | 1987-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687530 | Method of and apparatus for lining a pipe insulating shell consisting of mineral fibers with a foil | Jakob Friesdorf | 1987-08-18 |