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Patent Assignment Details
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Reel/Frame:006937/0937   Pages: 3
Recorded: 04/13/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
07/26/1994
Application #:
08136964
Filing Dt:
10/14/1993
Title:
A METHOD FOR REDUCING PRESSURE DROP IN A PACKED COLUMN
Assignors
1
Exec Dt:
10/08/1993
2
Exec Dt:
10/13/1993
3
Exec Dt:
10/08/1993
Assignee
1
330 SOUTH 4TH STREET
RICHMOND, VIRGINIA 23219
Correspondence name and address
JOHN F. SIEBERTH
PATENT AND TRADEMARK DIVISION
ETHYL CORPORATION
451 FLORIDA BOULEVARD
BATON ROUGE, LA 70801

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