Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9888820 | Vacuum cleaner and vacuum cleaning system and methods of use in a raised floor environment | Manuel E. Martins, Jr., Tomasz Czarnecki, Roman Iwaszko, Franciszek Miklaszewicz, Lukasz Kszonowski | 2018-02-13 |
| 9119512 | Vacuum cleaner and vacuum cleaning system and methods of use in a raised floor environment | Manuel E. Martins, Jr., Tomasz Czarnecki, Roman Iwaszko, Franciszek Miklaszewicz, Lukasz Kszonowski | 2015-09-01 |