Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679726 | Method of making a foundation polydiorganosiloxane-silica mixture, the resulting mixture and a room temperature curing sealant made from the foundation mixture | Beth I. Gutek, Sherwood Spells | 1997-10-21 |
| 5670560 | Method of making a pumpable, stable polydiorganosiloxane-silica foundation mixture and room temperature curing sealant | Sherwood Spells | 1997-09-23 |