Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4657715 | Process for preparing smooth skinned extruded foams with water-organic blowing agent | Dennis P. O'Brien | 1987-04-14 |
| 4545714 | Apparatus and method for forming stacks of nested containers each having a predetermined count of containers | David E. Johnson | 1985-10-08 |
| 4442064 | Thermoforming and self-alignment trimming method and apparatus | Samantha L. Vivlamore | 1984-04-10 |
| 4359160 | Nestable foam cup with improved heat retention and the process for its manufacture | Samantha L. Vivlamore | 1982-11-16 |
| 4239727 | Method and apparatus for thermoforming thermoplastic foam articles | Samantha L. Vivlamore | 1980-12-16 |