Edward W. Kiewra

SA Siemens Aktiengesellschaft: 1 patents #149 of 792Top 20%

IBM: 1 patents #1,061 of 3,557Top 30%

📍 South Burlington, VT: #34 of 94 inventorsTop 40%

🗺 Vermont: #110 of 373 inventorsTop 30%

Overall (1997): #156,448 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5670018	Isotropic silicon etch process that is highly selective to tungsten	Elke Eckstein, Birgit Hoffman, deceased, Waldemar Walter Kocon, Marc Jay Weiss	1997-09-23