Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411408 | Jack-up platform apparatus | Albert M. Koehler, Donald R. Ray | 1983-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411408 | Jack-up platform apparatus | Albert M. Koehler, Donald R. Ray | 1983-10-25 |