Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9050850 | Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising same | Christoph L. Gillum, David Andrew Parrott, Anup Paul, Haskell Simpkins, Robert G. Challman +1 more | 2015-06-09 |
| 8534284 | Respiratory therapy device | Thomas J. Dunsmore, Geoffrey C. Wise, Thomas Wilschke, Christopher L. Gillum, Shannon R. Read | 2013-09-17 |
| 8025054 | Passive respiratory therapy device | Thomas J. Dunsmore, Geoffrey C. Wise, Thomas Wilschke, Christoph L. Gillum, Shannon R. Read | 2011-09-27 |
| 7779841 | Respiratory therapy device and method | Thomas J. Dunsmore, Geoffrey C. Wise, Thomas Wilschke, Christoph L. Gillum, Shannon R. Read | 2010-08-24 |