Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637039 | Compact portable window fan | Jui-Shang Wang, John Longan, Robert Marvin | 1997-06-10 |
| D378607 | Evaporative humidifier | Jui-Shang Wang, Stanley Gresens | 1997-03-25 |
| D374279 | Air cleaner | Robert Marvin, Richard M. O'Grady | 1996-10-01 |
| 5553607 | Portable steam inhalator | Randolph E. Maxwell, Stephen M. Gatchell, Jerald Bradley, John Longan, Rodney Jane | 1996-09-10 |
| D370059 | Humidifier tank | Jui-Shang Wang, Stanley Gresens | 1996-05-21 |
| 5514303 | Humidifier with removable suction tube | John Longan, Robert Marvin | 1996-05-07 |
| D369654 | Portable humidifier | John Longan, Robert Marvin | 1996-05-07 |
| RE35153 | Humidifier with float activated water level responsive turn off | — | 1996-02-06 |
| 5483616 | Humidifier tank with improved handle | Jui-Shang Wang, Stanley Gresens | 1996-01-09 |
| D364676 | Cool mist impeller humidifier | John Longan, Robert Marvin | 1995-11-28 |
| D362906 | Evaporative humidifier | Jui-Shang Wang, Stanley Gresens | 1995-10-03 |
| 5435695 | Multi-positionable fan | Robert Marvin, John Longan | 1995-07-25 |
| 5433762 | Filtered air moving apparatus | — | 1995-07-18 |
| D359552 | Humidifier | Jui-Shang Wang, Richard M. O'Grady | 1995-06-20 |
| 5421844 | Filtered air moving apparatus | — | 1995-06-06 |
| D358639 | Stand with electrical control unit for a portable fan | — | 1995-05-23 |
| 5411373 | Convertible floor fan | Jui-Shang Wang | 1995-05-02 |
| D357310 | Humidifier | Jui-Shang Wang, Richard M. O'Grady | 1995-04-11 |
| D355962 | Air cleaner | Richard M. O'Grady, Jui-Shang Wang | 1995-02-28 |
| D347683 | Portable electrical heater | Jui-Shang Wang, Richard M. O'Grady | 1994-06-07 |
| D346855 | Portable electrical fan heater | — | 1994-05-10 |
| D346652 | High velocity fan with a convertible stand | Jui-Shang Wang, Johnson Peng | 1994-05-03 |
| D346653 | Fan stand | Jui-Shang Wang | 1994-05-03 |
| D346440 | Portable fan | Jui-Shang Wang | 1994-04-26 |
| 5295811 | Portable fan with electrical control retaining stand | — | 1994-03-22 |