FS

Frank A. Spera

IBM: 3 patents #26,272 of 70,183Top 40%
Overall (All Time): #1,642,897 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5614076 Tool and method for electroetching Denis J. Brophy, Madhav Datta, Derek B. Harris, Frank S. Ryan 1997-03-25
5531874 Electroetching tool using localized application of channelized flow of electrolyte Denis J. Brophy, Madhav Datta, Derek B. Harris, Frank S. Ryan 1996-07-02
5516412 Vertical paddle plating cell Panayotis Andricacos, Kirk G. Berridge, John O. Dukovic, Matteo Flotta, Jose Ordonez +5 more 1996-05-14