William G. Callahan

VA Varian Semiconductor Equipment Associates: 1 patents #6 of 19Top 35%

📍 Rockport, MA: #6 of 11 inventorsTop 55%

🗺 Massachusetts: #1,783 of 6,384 inventorsTop 30%

Overall (2002): #92,455 of 266,432Top 35%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6374144	Method and apparatus for controlling a system using hierarchical state machines	Gary Lee Viviani, Nick Parisi	2002-04-16