Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684687 | Chemical and heat resistant rubber composition | William David Breach | 1987-08-04 |
| 4575522 | Rubber composition for geothermal application | William David Breach | 1986-03-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4684687 | Chemical and heat resistant rubber composition | William David Breach | 1987-08-04 |
| 4575522 | Rubber composition for geothermal application | William David Breach | 1986-03-11 |