MD

Mark E. Duffy

GE: 4 patents #52 of 1,473Top 4%
📍 Shaker Heights, OH: #3 of 23 inventorsTop 15%
🗺 Ohio: #104 of 4,093 inventorsTop 3%
Overall (1994): #5,362 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5373216 Electrodeless arc tube with stabilized condensate location James T. Dakin 1994-12-13
5363015 Low mercury arc discharge lamp containing praseodymium James T. Dakin, Tommie Edward Berry, Timothy D. Russell 1994-11-08
5332970 Method for measuring the impedance of an electrodeless arc discharge lamp Sayed-Amr El-Hamamsy, Michael M. Secen, Gerald E. Duffy 1994-07-26
5306987 Acoustic resonance arc stabilization arrangement in a discharge lamp James T. Dakin 1994-04-26