Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862655 | Mass interment system | Frank Hurless | 1989-09-05 |
| D300978 | Burial vault | William Bethune, Steven J. Pikor, Peter C. Bertleson | 1989-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862655 | Mass interment system | Frank Hurless | 1989-09-05 |
| D300978 | Burial vault | William Bethune, Steven J. Pikor, Peter C. Bertleson | 1989-05-02 |