Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880316 | Multiple layer hand-grip reinforcement for thermoplastic draw tape handles for thermoplastic bags | Kirk E. Belmont, Edward M. Bullard, Edward W. Forman, Jr., David E. McIntyre | 1989-11-14 |
| 4842420 | Variable-width draw tape for thermoplastic bags | Fox J. Herrington | 1989-06-27 |
| 4813793 | Reinforced handle for thermoplastic draw tape bags | Kirk E. Belmont, Edward M. Bullard, Edward W. Forman, Jr., David E. McIntyre | 1989-03-21 |
| 4813792 | Hand-grip for thermoplastic draw tape handles for thermoplastic bags | Kirk E. Belmont, Edward M. Bullard, Edward W. Forman, Jr., David E. McIntyre | 1989-03-21 |
| 4489020 | Method of forming crosslinked styrenic polymer articles and the articles | — | 1984-12-18 |
| 4476077 | Process for preparing a poly(p-methylstyrene) foam | Edward M. Bullard, Frank J. Feeney | 1984-10-09 |
| 4412961 | Method and apparatus for measurement and control of cell size in a foam structure | Charles M. Krutchen | 1983-11-01 |
| 4360486 | Process for introducing an additive material to polymeric foams | Charles M. Krutchen | 1982-11-23 |