Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832618 | Electric cord lock | — | 1989-05-23 |
| 4591841 | Long range optical pointing for video screens | David P. Kelso, Gregg C. Vanderheiden | 1986-05-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832618 | Electric cord lock | — | 1989-05-23 |
| 4591841 | Long range optical pointing for video screens | David P. Kelso, Gregg C. Vanderheiden | 1986-05-27 |