JL

John Longan

DU Duracraft: 13 patents #4 of 20Top 20%
📍 Natick, MA: #1 of 42 inventorsTop 3%
🗺 Massachusetts: #4 of 4,501 inventorsTop 1%
Overall (1997): #255 of 185,788Top 1%
13
Patents 1997

Issued Patents 1997

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
D388162 Humidifier Bernard Chiu, Jui-Shang Wang, Robert Marvin, Richard M. O'Grady 1997-12-23
D386579 Front grill for a portable electric fan Rodney Jane, Jui-Shang Wang, Stanley Gresens 1997-11-18
D384409 Portable electrical fan housing Rodney Jane, Jui-Shang Wang, Stanley Gresens 1997-09-30
D384140 Humidifier Rodney Jane', Jui-Shang Wang, Stanley Gresens, Gregory Holderfield 1997-09-23
5664996 Multiple blade window fan Jui-Shang Wang, Rodney Jane, John M. Staton 1997-09-09
D383201 Dual humidifier tank unit Rodney Jane', Jui-Shang Wang, Stanley Gresens, Gregory Holderfield 1997-09-02
5660586 Variable discharge window fan Bernard Chiu 1997-08-26
D380534 Humidifier Bernard Chiu, Jui-Shang Wang, Robert Marvin 1997-07-01
D380043 Compact portable window fan Bernard Chiu, Jui-Shang Wang, Robert Marvin, John Montante 1997-06-17
5637039 Compact portable window fan Bernard Chiu, Jui-Shang Wang, Robert Marvin 1997-06-10
5611967 Combination evaporative/warm mist humidifier Rodney Jane 1997-03-18
D377973 Humidifier tank Rodney Jane, Jui-Shang Wang, Stanley Gresens, Gregory Holderfield 1997-02-11
D377683 Stand for a portable electric fan with a swivel mount Jui-Shang Wang, Rodney Jane, Stanley Gresens, Gregory Holderfield, Steven Valentor 1997-01-28