Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337010 | Inflatable grout seal | Harold O. Treece | 1982-06-29 |
| 4320992 | Grout distribution system | Morris G. Baldridge, Lloyd C. Knox | 1982-03-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337010 | Inflatable grout seal | Harold O. Treece | 1982-06-29 |
| 4320992 | Grout distribution system | Morris G. Baldridge, Lloyd C. Knox | 1982-03-23 |