Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328287 | Method of supplying substances to be dispensed into air | — | 2001-12-11 |
| 6239857 | Process and device for the synchronous addition of odors to visual and/or acoustic stimulation | — | 2001-05-29 |
| 6234455 | Device and process for delivering substances for dispersal in the air | — | 2001-05-22 |
| 6025902 | Process and device for the synchronous addition of odors to visual and/or acoustic stimulation | — | 2000-02-15 |
| 5963302 | Process and device for diffusing perfumes that accurately correspond to events or scenes during cinematographic representations and the like | — | 1999-10-05 |
| 5832320 | Process and device for diffusing perfumes that accurately correspond to events or scenes during cinematographic representations and the like | — | 1998-11-03 |
| 5760873 | Process and device for the synchronous addition of odours to visual and/or acoustic stimulation | — | 1998-06-02 |
| 5725323 | Writing appliance that closes automatically after a given time interval | — | 1998-03-10 |
| 5207523 | Writing implement with forward and rearward seals | — | 1993-05-04 |
| 4859103 | Self-sealing retractable writing implement | — | 1989-08-22 |