Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634897 | Integrated airgap retrofit body | Casimir Sienkiewicz | 2023-04-25 |
| D898719 | Mobile phone case | — | 2020-10-13 |
| 5097107 | Microwave corn popping package having flexible and expandable cover | Lawrence C. Brandberg, Jeffrey T. Watkins, Charles H. Turpin, Denise Ellen Hanson | 1992-03-17 |
| 5079083 | Coated microwave heating sheet | David W. Andreas, David H. Cox | 1992-01-07 |
| 5008024 | Microwave corn popping package | — | 1991-04-16 |
| 5006405 | Coated microwave heating sheet for packaging | David W. Andreas, David H. Cox | 1991-04-09 |
| 4878765 | Flexible packaging sheets and packages formed therefrom | David W. Andreas, David H. Cox | 1989-11-07 |
| 4735513 | Flexible packaging sheets | David W. Andreas, David H. Cox | 1988-04-05 |
| 4691374 | Cooking bag with diagonal gusset seals | David W. Andreas | 1987-09-01 |
| 4642434 | Microwave reflective energy concentrating spacer | David H. Cox, David W. Andreas | 1987-02-10 |
| 4548826 | Method for increasing the volumetric yield of microwave cooked popcorn | — | 1985-10-22 |
| 4450180 | Package for increasing the volumetric yield of microwave cooked popcorn | — | 1984-05-22 |
| 4425368 | Food heating container | — | 1984-01-10 |
| 4416906 | Microwave food heating container | — | 1983-11-22 |
| 4416907 | Process for preparing food packages for microwave heating | — | 1983-11-22 |