Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545888 | Apparatus for electrophoretic recovery of nucleic acids and other substances | — | 1985-10-08 |
| 4540208 | Point-of-egress control device for safely securing emergency exit doors | Emanual L. Logan, Jr., Walter M. Sommers | 1985-09-10 |
| 4489308 | Emergency exit indicators | Emanuel L. Logan, Jr. | 1984-12-18 |
| 4466208 | Emergency exit sign utilizing an electro-luminescent (EL) lamp and a brightness monitor | Emanuel L. Logan, Jr. | 1984-08-21 |
| 4231661 | Radial scanner | Raymond E. Bietry, Jr. | 1980-11-04 |