Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D597739 | Six sided food container | Richard L. Knutson, Sheryl F. Knutson | 2009-08-11 |
| D597310 | Eight sided food container | Richard L. Knutson, Sheryl F. Knutson | 2009-08-04 |
| D597311 | Seven sided food container | Richard L. Knutson, Sheryl F. Knutson | 2009-08-04 |
| D586124 | Eight sided container | Richard L. Knutson, Sheryl F. Knutson | 2009-02-10 |
| D280689 | Bowl | — | 1985-09-24 |
| D280482 | Bowl | — | 1985-09-10 |
| D278588 | Bowl | — | 1985-04-30 |
| D273927 | Food bowl | — | 1984-05-22 |
| D271835 | Food bowl | — | 1983-12-20 |
| D271651 | Scalloped bowl | — | 1983-12-06 |
| D263668 | Bowl | — | 1982-04-06 |