Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444777 | PROCESS FOR PRODUCING COMPACT OR CELLULAR POLYURETHANE ELASTOMERS BASED ON 3,3′ DIMETHYL DIPHENYL 4,4′ DIISOCYANATE-CONTAINING POLYISOCYANATE MIXTURES AND ISOCYANATE PREPOLYMERS SUITABLE THEREFOR | Manfred Genz, Gerhard Hellmann, Walter Haselhorst, Torsten Jeschke, Ute Nichau +4 more | 2002-09-03 |
| 6404858 | Personal dial tone service with personalized call waiting | Robert D. Farris, Alexander I. McAllister | 2002-06-11 |