Patent Assignment
Reel/Frame 006853/0663
Assignment of Assignor's Interest
Recorded: 1994-02-08
Pages: 3
Assignors
BOYARSKY, MIKHAIL
Executed: 1994-01-11
YUDIN, BORIS
Executed: 1994-01-11
MOGORYCHNY, VICTOR I.
Executed: 1994-01-11
KLUSMIER, LARRY
Executed: 1993-12-21
Assignee
APD CRYOGENICS, INC.
1833 VULTEE STREET, ALLENTOWN, PENNSYLVANIA, 18103
Covered Property
(1)
Cryogenic Mixed Gas Refrigerant for Operation Within Temperature Ranges of 80K-100K
Patent:
5,441,658 →
Application:
08/149,203 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 12, 2002
From: IGC-APD CRYOGENICS, INC.
To: IGC-POLYCOLD SYSTEMS, INC.
Reel/Frame 012653/0357 →
Change of Name
Nov 30, 2004
From: APD CRYOGENICS INC.
To: IGC-APD CRYOGENICS INC.
Reel/Frame 015400/0194 →
Change of Name
Mar 8, 2005
From: IGC POLYCOLD SYSTEMS INC.
To: HELIX POLYCOLD SYSTEMS INC.
Reel/Frame 015851/0156 →
Assignment of Assignor's Interest
Apr 29, 2005
From: HELIX POLYCOLD SYSTEMS INC.
To: HELIX TECHNOLOGY CORPORATION
Reel/Frame 016182/0209 →