Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044184 | Plastic bag making apparatus | — | 2006-05-16 |
| 6744515 | Heat seal position measurement device for plastic film | — | 2004-06-01 |
| 6739367 | Plastic film heat seal apparatus | — | 2004-05-25 |
| 6692148 | Plastic bag making apparatus | — | 2004-02-17 |
| 6648808 | Plastic big making apparatus | — | 2003-11-18 |
| 6561963 | Plastic bag making apparatus | — | 2003-05-13 |
| 6298980 | Sheet material arranging and feeding conveyor | — | 2001-10-09 |
| 6045493 | Sheet material feeding apparatus | — | 2000-04-04 |
| 5807222 | Bag making machine | — | 1998-09-15 |
| 5540802 | Apparatus for heat sealing two superposed layers of plastic film | — | 1996-07-30 |
| 5244449 | Apparatus for feeding a continuous plastic film | — | 1993-09-14 |
| 4995859 | Sheet material stacking apparatus | — | 1991-02-26 |
| 4860621 | Heat knife holding device for heat cutting plastic films | — | 1989-08-29 |
| 4505699 | Apparatus for making envelopes from a continuous film sheet | — | 1985-03-19 |