Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358223 | Method and apparatus for constructing buried pipeline systems | Hans O. Jahns, Christopher E. Heuer | 1982-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358223 | Method and apparatus for constructing buried pipeline systems | Hans O. Jahns, Christopher E. Heuer | 1982-11-09 |