EC

Edward J. Cerwonka

SL Shipley Company, L.L.C.: 2 patents #141 of 401Top 40%
📍 Woburn, MA: #258 of 602 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,312,725 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5164069 Nickel electroplating solution and acetylenic compounds therefor 1992-11-17
5051154 Additive for acid-copper electroplating baths to increase throwing power Roger Bernards, Gordon Fisher, Wade Sonnenberg, Stewart Fisher 1991-09-24