Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10214128 | Haptic motor | Michael David Franz, Alice Knoebel, Douglas J. Krueger, JR., Anup Viswanathan, Daniel Wiegand | 2019-02-26 |
| 9004589 | Vibratory alert patch | Douglas J. Krueger, JR., Anup Viswanathan, Daniel Wiegand | 2015-04-14 |