DB

David William Birch

TL The Boc Group Limited: 2 patents #22 of 80Top 30%
Overall (2002): #69,648 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6382227 Production of constant composition gas mixture streams Andre Micke, Shuen-Cheng Hwang, Lesli B. Cosey, Carl W. Schmidt, Robert F. Phillips +1 more 2002-05-07
6361020 Valve for use with high purity gas Peter Harold Buckley, Kenneth W. Cross, Richard Hogle, Kazuya Inoue, Jack B. Wert 2002-03-26