Patent Assignment
Reel/Frame 006158/0652
Change of Name Effective on 09/30/1990
Recorded: 1992-06-04
Pages: 2
Assignor
LIFECARE SERVICES, INC., A CORP. OF CO
Executed: 1992-04-21
Covered Properties
(3)
Pump for a Portable Ventilator
Patent:
4,493,614 →
Application:
06/534,988 →
Servo Control System for a Reciprocating Piston Respirator
Patent:
4,617,637 →
Application:
06/753,275 →
Oxygen Enriched Reciprocating Piston Respirator
Patent:
4,587,967 →
Application:
06/753,334 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 27, 1983
From: CHU, RAYMOND D.; BERGMAN, MARC A.
To: LIFECARE SERVICES, INC., A CO CORP.
Reel/Frame 004179/0127 →
Assignment of Assignors Interest.
Jul 9, 1985
From: CHU, RAYMOND D.; RUBNER, ANTHONY C.; BERGMAN, MARC A.
To: LIFECARE SERVICES, INC.
Reel/Frame 004429/0404 →
Assignment of Assignors Interest.
Jul 9, 1985
From: CHU, RAYMOND D.; RUBNER, ANTHONY C.; FELLINGER, MICHAEL W.
To: LIFECARE SERVICES, INC.
Reel/Frame 004429/0467 →
Assignment of Assignor's Interest
Feb 18, 1997
From: LIFECARE INTERNATIONAL, INC.
To: RESPIRONICS, INC.
Reel/Frame 008382/0397 →