IP Library › Granted Patent US 506,261
Granted Patent S1
US 506,261 · App. 29/181,401 · Granted Jun 14, 2005

Chromatography column locking ring

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Quick Facts
Patent No.
US 506,261
App. No.
29/181,401
Granted
Jun 14, 2005
Kind
S1
Claims (1)

The ornamental design for a chromatography column locking ring, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded Feb 21, 2006
From: PHARMACIA FINE CHEMICALS AB; PHARMACIA LKB BIOTECHNOLOGY AB; PHARMACIA BIOTECH AB; APBIOTECH AB; AMERSHAM PHARMACIA BIOTECH AB; AMERSHAM BIOSCIENCES AB
To: GE HEALTHCARE BIO-SCIENCES AB
Reel/Frame 017186/0644 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 3, 2003
From: HELLSTROM, KARL-GUNNAR
To: AMERSHAM BIOSCIENCES AB
Reel/Frame 014230/0607 →