LB

Leonard W. Barrett

3M: 6 patents #2,536 of 11,543Top 25%
RL Raychem Limited: 2 patents #317 of 928Top 35%
ES Enichem S.P.A: 1 patents #152 of 317Top 50%
IS Istituto Guido Donegani S.P.A.: 1 patents #32 of 86Top 40%
Overall (All Time): #588,053 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6391429 Permeable shaped structures of active particulate bonded with PSA polymer microparticulate Raymond Senkus, Chung I. Young, Ying-Yuh Lu 2002-05-21
6234171 Molded respirator containing sorbent particles James E. Springett, Roberta C. Harper 2001-05-22
6102039 Molded respirator containing sorbent particles James E. Springett, Roberta C. Harper 2000-08-15
5952420 Pressure-sensitive adhesive polyacrylate polymer microparticulate and method of making Raymond Senkus, Chung I. Young, Ying-Yuh Lu 1999-09-14
5696199 Pressure-sensitive adhesive polyacrylate polymer and method of making Raymond Senkus, Chung I. Young, Ying-Yuh Lu 1997-12-09
5617849 Respirator having thermochromic fit-indicating seal James E. Springett 1997-04-08
5356972 Nucleating agents for poly(ethylene terephthalate) Leslie H. Sperling 1994-10-18
5250226 Electrical devices comprising conductive polymers Ravinder K. Oswal, Amitkumar N. Dharia 1993-10-05
5057345 Fluoroopolymer blends 1991-10-15