Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877467 | Electrically insulated wire | John A. Checkland | 1989-10-31 |
| 4869959 | Electrically insulated wire | John A. Checkland | 1989-09-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877467 | Electrically insulated wire | John A. Checkland | 1989-10-31 |
| 4869959 | Electrically insulated wire | John A. Checkland | 1989-09-26 |