Issued Patents All Time
Showing 25 most recent of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469812 | Fret and method of manufacturing frets for stringed controllers and instruments | Mark S. Izen, Paul Franzosa, Andrea Gaiter, Wendy Lynn Mittelstadt, Ilissa Brooke Schild +4 more | 2013-06-25 |
| 8454418 | Methods and apparatus for stringed controllers and instruments | Stephen Paul Webster, Paul Fransoza, Andrea Gaiter, Wendy Lynn Mittelstadt, Ilissa Brooke Schild +3 more | 2013-06-04 |
| 8414369 | Music game system and method of providing same | Mark S. Izen, Matthew Sughrue, Jack Davis, Mikhail Chekmarev, Mashi Hasu +1 more | 2013-04-09 |
| 8246461 | Methods and apparatus for stringed controllers and/or instruments | Mark S. Izen, Stephen Paul Webster, Jack Davis, Craig Small, Wendy Lynn Mittelstadt | 2012-08-21 |
| 8017857 | Methods and apparatus for stringed controllers and/or instruments | Mark S. Izen, Stephen Paul Webster, Jack Davis, Craig Small, Wendy Lynn Mittelstadt +1 more | 2011-09-13 |
| 7081573 | String instrument with protective string cap assemblies | Mark S. Izen, Craig Small | 2006-07-25 |
| 6353165 | String instrument with protective string cap | Marc Harris, William D. Hester, Mark S. Izen | 2002-03-05 |
| 6156085 | Filter air cleaner | Stephen M. Gatchell, Jui-Shang Wang | 2000-12-05 |
| 6013121 | Filter change indicator | Jui-Shang Wang, Stephen M. Gatchell | 2000-01-11 |
| 5862737 | Filter change indicator | Jui-Shang Wang, Stephen M. Gatchell | 1999-01-26 |
| D397775 | Heater | Jui-Shang Wang, Stanley Gresens | 1998-09-01 |
| D397192 | Portable electric fan-heater | Jui-Shang Wang | 1998-08-18 |
| D395703 | Air cleaner | Rodney Jane, Andrew Parker, Robert Marvin, Richard M. O'Grady, Brian Graves +1 more | 1998-06-30 |
| D394702 | Humidifier | Jui-Shang Wang, John Longan, Robert Marvin, Richard M. O'Grady | 1998-05-26 |
| 5753000 | Filter air cleaner | Stephen M. Gatchell, Jui-Shang Wang | 1998-05-19 |
| D393704 | Air cleaner | Roy Heinz, Robert Marvin | 1998-04-21 |
| D392728 | Heater | Jui-Shang Wang, Stanley Gresens | 1998-03-24 |
| D391347 | Reflector for a portable heater | Rodney Jane, Robert Marvin, John M. Staton | 1998-02-24 |
| D388162 | Humidifier | Jui-Shang Wang, John Longan, Robert Marvin, Richard M. O'Grady | 1997-12-23 |
| D386575 | Humidifier | Jui-Shang Wang, Richard M. O'Grady, Robert Marvin | 1997-11-18 |
| D385343 | Humidifier tank | Jui-Shang Wang, Stanley Gresens | 1997-10-21 |
| 5660586 | Variable discharge window fan | John Longan | 1997-08-26 |
| 5658195 | Window fan with oscillating fan enclosure | Robert Marvin, Jui-Shang Wang | 1997-08-19 |
| D380534 | Humidifier | Jui-Shang Wang, John Longan, Robert Marvin | 1997-07-01 |
| D380043 | Compact portable window fan | Jui-Shang Wang, John Longan, Robert Marvin, John Montante | 1997-06-17 |