Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D758764 | Tablecloth with magnetic retainers | — | 2016-06-14 |
| 6577191 | Automatic gain control circuit for analog signals | Syh-Shoei Lin, Wen-Liang Tseng, Seng-Fa Chang | 2003-06-10 |
| 5846646 | Anti-static coated venetian blind slat and method of preparation thereof | Randall J. Meppelink, Paul A. Renault, Charles Wolfe | 1998-12-08 |
| D341744 | Venetian blind | John F. Schaefer, David C. Burns | 1993-11-30 |
| D337469 | Window blind headrail | Douglas J. Warner | 1993-07-20 |
| D335059 | Connector for wand and actuating mechanism | John F. Schaefer, David C. Burns | 1993-04-27 |
| D331681 | Window blind grip | John F. Schaefer, David C. Burns | 1992-12-15 |
| 5127458 | Venetian blind | John F. Schaefer, David C. Burns | 1992-07-07 |
| 5042553 | Window blind headrail and mounting bracket | John F. Schaffer, David C. Burns, Don S. Minami | 1991-08-27 |