IP Library › Assignment 014538/0744
Patent Assignment
Reel/Frame 014538/0744

Assignment of Assignor's Interest

Recorded: 2004-04-21 Pages: 2
Assignors
IWAMOTO, KAORI
Executed: 2004-04-08
RAI, BUNICHI
Executed: 2004-04-07
SOGO, SHINICHI
Executed: 2004-04-08
Assignee
DUPONT DOW ELASTOMERS L.L.C.
300 BELLEVUE PARKWAY, BELLEVUE PARK CORPORATE CENTER, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Plasma Resistant Elastomer Parts
Patent: 6,946,511 →
Application: 10/689,329 →
Publication: US 2004/0152827
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Nov 18, 2011
From: DUPONT DOW ELASTOMERS L.L.C.
To: DUPONT PERFORMANCE ELASTOMERS L.L.C.
Reel/Frame 027249/0944 →
Change of Name Feb 13, 2012
From: DUPONT PERFORMANCE ELASTOMERS LLC
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 027697/0185 →