Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666152 | Foldable banquet table | — | 2003-12-23 |
| D473727 | Foldable chair | — | 2003-04-29 |
| 6386627 | Rear leg-supported foldable chair | — | 2002-05-14 |
| 5394837 | High-efficiency furnace | Paul A. Bock | 1995-03-07 |
| 5271952 | Anti-static anti-bacterial fibers | Paul M. Liang | 1993-12-21 |
| 5190788 | Anti-static anti-bacterial fibers | Paul M. Liang | 1993-03-02 |
| 5107921 | Multi-mode heat exchanger | — | 1992-04-28 |
| 5057010 | Furnace for heating process fluid and method of operation thereof | — | 1991-10-15 |
| 5005530 | Furnace radiant sections with vertical heat exchanger tubing, and convection section | — | 1991-04-09 |
| 4879020 | Method of operating a furnace hydrocarbon converter | — | 1989-11-07 |
| 4792436 | Hydrocarbon converter furnace | — | 1988-12-20 |