EV

E. John Vowles

FS Federal Signal: 2 patents #4 of 39Top 15%
📍 Goffstown, NH: #1 of 8 inventorsTop 15%
🗺 New Hampshire: #40 of 601 inventorsTop 7%
Overall (1994): #34,977 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5344542 Multiple-processing and contamination-free plasma etching system Joseph A. Maher, Joseph D. Napoli, Arthur W. Zafiropoulo, Mark William Miller 1994-09-06
5308431 System providing multiple processing of substrates Joseph A. Maher, Joseph D. Napoli, Arthur W. Zafiropoulo, Mark William Miller 1994-05-03