Patent Assignment
Reel/Frame 009085/0869
Assignment of Assignor's Interest
Recorded: 1998-04-06
Pages: 3
Assignors
AHMED, OSMAN
Executed: 1997-11-12
MITCHELL, JOHN W.
Executed: 1997-11-11
KLEIN SANFORD A.
Executed: 1997-11-11
Assignee
LANDIS & STAEFA, INC.
1000 DEERFIELD PARKWAY, BUFFALO GROVE, ILLINOIS, 60015
Covered Property
(1)
Room Pressure Control Apparatus Having Feedforward and Feedback Control and Method
Patent:
6,033,302 →
Application:
08/965,982 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name and Merger
Nov 14, 1998
From: LANDIS & GYR HOLDINGS; CERBERUS HOLDINGS, INC.
To: SIEMENS BUILDING TECHNOLOGIES, INC.
Reel/Frame 009674/0628 →
Assignment of Assignor's Interest
Dec 14, 1998
From: LANDIS & STAEFA INC.
To: LANDIS & GYR HOLDINGS, INC.
Reel/Frame 009643/0319 →
Merger
Mar 11, 2010
From: SIEMENS BUILDING TECHNOLOGIES, INC.
To: SIEMENS INDUSTRY, INC.
Reel/Frame 024066/0464 →