Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817358 | Asphalt shingle with foamed asphalt layer under tabs | Stephen J. Jones | 1989-04-04 |
| 4470237 | Strip shingles with foamed asphalt as the tab seal adhesive and method of manufacture | Glenn D. Lamb | 1984-09-11 |
| 4255403 | Magnetically stabilized fluid cross-flow contactor having support means and process for using the same | Francis X. Mayer, Martin O. Gernand | 1981-03-10 |