BH

Bryan David Hirschorn

SP Saint-Gobain Performance Plastics: 2 patents #139 of 490Top 30%
📍 Leominster, MA: #115 of 286 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,131,505 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7485028 Chemical mechanical polishing retaining ring, apparatuses and methods incorporating same David Wilkinson, Colleen E. Hamilton, Michael Mangaudis 2009-02-03
7086939 Chemical mechanical polishing retaining ring with integral polymer backing David Wilkinson, Colleen E. Hamilton, Michael Mangaudis 2006-08-08