Vermeulen; Leon L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Vermeulen; Leon L..The latest application filed is for "method of producing a tamper-proof laminate and product obtained thereby".
- Vermeulen; Leon L. - Herenthout BE
| Patent | Date |
|---|---|
| Method of producing a tamper-proof laminate and product obtained thereby Grant 5,213,648 - Vermeulen , et al. May 25, 1 | 1993-05-25 |
| Image-receiving material comprising subbed polycarbonate or polypropylene Grant 5,194,347 - Vermeulen , et al. March 16, 1 | 1993-03-16 |
| Heat-laminating apparatus Grant 5,158,641 - Vermeulen , et al. October 27, 1 | 1992-10-27 |
| Process for the production of a laminate Grant 4,992,130 - Vermeulen , et al. February 12, 1 | 1991-02-12 |
| Image-receiving material with siloxane, colloidal silica and gelatin for silver complex diffusion transfer Grant 4,762,759 - Vermeulen , et al. August 9, 1 | 1988-08-09 |
| Silver salt diffusion transfer reversal process Grant 4,720,447 - De Keyzer , et al. January 19, 1 | 1988-01-19 |
| Photographic silver complex diffusion transfer reversal process under yellow safelight Grant 4,686,170 - Vermeulen , et al. August 11, 1 | 1987-08-11 |
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