Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661675 | Welding sealants for metals and method of use | James L. Guthrie, Christian B. Lundsager | 1987-04-28 |
| 4559373 | Weldable sealants for metal and method of use | James L. Guthrie, Christian B. Lundsager | 1985-12-17 |