Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842143 | Hyperelastic shape setting devices and fabrication methods | Alfred David Johnson, Valery Martynov, George R. Gray | 2010-11-30 |
| 7632361 | Single crystal shape memory alloy devices and methods | A. David Johnson, Valery Martynov | 2009-12-15 |
| 7544257 | Single crystal shape memory alloy devices and methods | A. David Johnson, Valery Martynov | 2009-06-09 |
| 7422403 | Non-explosive releasable coupling device | A. David Johnson, Valery Martynov | 2008-09-09 |
| 5771742 | Release device for retaining pin | John D. Busch, A. David Johnson, Bruce Petty | 1998-06-30 |