Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768229 | Restrictive access control system | Gopalan Krishnamurthy, Jouke N. Rypkema | 1988-08-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4768229 | Restrictive access control system | Gopalan Krishnamurthy, Jouke N. Rypkema | 1988-08-30 |