Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862659 | Wall panel with accessible interior channels for laying in of cables | Hoei B. Lim, Bryan R. Gingrich, Michael R. Kitchen | 1989-09-05 |
| 4841699 | Wall panel with accessible interior channels for laying in of cables | Richard G. Haworth, Bryan R. Gingrich | 1989-06-27 |