Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944182 | Suction module and hand-held power tool with a suction module | Henry Chen, Sean Wang, Matthias Kuemmerle, Bernhard Link | 2015-02-03 |
| 7642679 | Drive unit for hand-held power tool | Reinhard Riedl, Thomas Pritzen | 2010-01-05 |
| 6478965 | Recovery of fermentation salts from dilute aqueous solutions | Mark T. Holtzapple, Richard Davison | 2002-11-12 |
| 5986133 | Recovery of fermentation salts from dilute aqueous solutions | Mark T. Holtzapple, Richard Davison | 1999-11-16 |