Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8740229 | Slope traversing system for zero turning radius vehicles | — | 2014-06-03 |
| 5749822 | Gusset folding mechanism and method for plastic bag making machine | David Z. Dike, David I. Laber | 1998-05-12 |
| 5529659 | Machine and associated apparatus for attaching zippers to plastic bags | David Z. Dike, David I. Laber | 1996-06-25 |
| 4540026 | Pneumatic potentiometer | — | 1985-09-10 |