Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885318 | Polyketone flame retardant composition | Darlene Smith | 1989-12-05 |
| 4885328 | Flame retardant compositions | Darlene Smith | 1989-12-05 |
| 4874801 | Polymer blend | Eric R. George, Paul Byrd | 1989-10-17 |
| 4869966 | Encapsulated assemblage and method of making | Gay M. Samuelson, David J. St. Clair | 1989-09-26 |
| 4851482 | Blends and articles of linear alternating polyketone polymer with polyurethane polymer | Dale L. Handlin, Jr., William P. Gergen, Robert G. Lutz | 1989-07-25 |
| 4820578 | Polyketone roofing membranes | Dennis W. Gilmore | 1989-04-11 |