Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12016474 | Pressed paperboard bowl with wide upper rim | — | 2024-06-25 |
| 9392891 | Rigid-buckling-resistant-fluted paperboard container with arcuate outer region | Mark B. Littlejohn | 2016-07-19 |
| 8967941 | Pressware stop ramp and method for using the same | Mark B. Littlejohn, Thomas Zelinski, Mircea Sofronie | 2015-03-03 |
| 8651366 | Rigid-buckling-resistant-fluted paperboard container with arcuate outer region | Mark B. Littlejohn | 2014-02-18 |
| 8534984 | Pressware stacking system and method for using same | Brandon M. Batz, Stephen K. Milligan, Mark B. Littlejohn | 2013-09-17 |
| 8388335 | Blank containment device and methods | Mark B. Littlejohn, Daniel A. Duncan, James W. Gregory, Kenneth J. Zirbel | 2013-03-05 |
| 5036366 | Liquid ink metering roll | Edward B. Caruthers, Jr. | 1991-07-30 |