DO

David O'Connell

W& W. R. Grace &: 1 patents #9 of 44Top 25%
WC W.R. Grace & Co.-Conn.: 1 patents #25 of 94Top 30%
📍 Tewksbury, MA: #2 of 20 inventorsTop 10%
🗺 Massachusetts: #202 of 2,831 inventorsTop 8%
Overall (1989): #29,413 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4887993 Method for pleating film — 1989-12-19
4795417 Apparatus and method for pleating film — 1989-01-03