Patent Assignment
Reel/Frame 004909/0120
Assignment of Assignors Interest.
Recorded: 1988-07-05
Pages: 3
Assignors
HAESSIG, DAVID L.
Executed: 1988-02-10
HAMIDI, JAMSHID
Executed: 1988-02-10
HORT, ROGER V.
Executed: 1988-02-10
Assignee
STAEFA CONTROL SYSTEMS, INC.
NOT PROVIDED
Covered Property
(1)
Forced Air Ventilation System
Patent:
4,942,921 →
Application:
07/150,247 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 29, 1997
From: STAEFA CONTROL SYSTEM, INC.
To: LANDIS & STAEFA, INC.
Reel/Frame 008478/0137 →
Document Previously Recorded on Reel 8478, Frame 0137 Contained Errors in Property Number 5334068. Document Rerecorded to Correct Error on Stated Reel.
Jul 14, 1997
From: STAEFA CONTROL SYSTEM, INC.
To: LANDIS & STAEFA, INC.
Reel/Frame 008579/0405 →
Merger
Dec 14, 1998
From: LANDIS & STAEFA, INC.
To: LANDIS & GYR HOLDINGS, INC.
Reel/Frame 009638/0164 →
Merger & Name Change
Dec 14, 1998
From: LANDIS & GYR HOLDINGS; CERBERUS HOLDINGS, INC.
To: SIEMENS BUILDING TECHNOLOGIES, INC.
Reel/Frame 009638/0167 →