Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333074 | Security system | Hugh E. Sutherland, Philip J. Spiegelhalter, Martin R. Spiegelhalter | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333074 | Security system | Hugh E. Sutherland, Philip J. Spiegelhalter, Martin R. Spiegelhalter | 1982-06-01 |