Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D749592 | Cover of portable electronic device | — | 2016-02-16 |
| D710854 | Stylus | — | 2014-08-12 |
| 7040054 | Multi-purpose paper, manufacturing method thereof and the application thereof | — | 2006-05-09 |
| 6811653 | Multi-purpose paper, manufacturing method thereof and the application thereof | — | 2004-11-02 |
| 6543709 | Gravity flow air classifying mill | Robin T. Voorhees | 2003-04-08 |
| 6443376 | Apparatus for pulverizing and drying particulate matter | Qingsheng Lin, Robin T. Voorhees | 2002-09-03 |
| 6375103 | Mill for pulverizing and classifying particulate material | Robin T. Voorhees | 2002-04-23 |
| 6276534 | Classifier apparatus for particulate matter/powder classifier | Joseph M. Pavlosky | 2001-08-21 |
| 5655720 | Hammer mill with improved cover liner assembly | Larry Hixon | 1997-08-12 |
| 5465912 | Pulverizing and grinding hammer | James B. Graybill, Larry Hixon | 1995-11-14 |
| 4797271 | Producing alumina granules in a fluidized bed | Hubert L. Fleming, Jon F. Edd, Alan Pearson, Chin-Liang Chou, Hisashi Kono | 1989-01-10 |
| 4704378 | Fluidized bed granulation of rehydratable alumina | Hubert L. Fleming, Jon F. Edd, Alan Pearson, Chin-Liang Chou, Hisashi Kono | 1987-11-03 |