Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230744 | Method for cleaning bag machinery | David A. Smith, Clark M. Woody, Philip G. Velez, Charles R. Amos | 1993-07-27 |
| 5108085 | Apparatus and method for the production of flexible products | David A. Smith | 1992-04-28 |
| 5074951 | Apparatus for inert atmosphere sealing | Michael J. Banco, R. Douglas Behr | 1991-12-24 |
| 5062825 | Apparatus and method for the production of flexible products | David A. Smith | 1991-11-05 |
| 4976673 | Apparatus and method for the production of flexible bags | David A. Smith, Albert C. Dowell | 1990-12-11 |
| 4959044 | Film tension compensation device for bag making machine | David A. Smith, R. Douglas Behr | 1990-09-25 |
| 4902374 | Bag making machine | David A. Smith, R. Douglas Behr | 1990-02-20 |
| 4755248 | Slot-cast intergrated interlocking film closure structure | Donald Kain | 1988-07-05 |
| 4702471 | Article transport arrangement | David A. Smith | 1987-10-27 |
| 4647031 | Gripper finger device | David A. Smith | 1987-03-03 |
| 4284301 | Bag transfer device | David A. Smith | 1981-08-18 |