Patent Assignment
Reel/Frame 004173/0973
Security Interest
Recorded: 1983-09-06
Pages: 6
Assignor
SPIROMETRICS, INC.
Executed: 1983-08-09
Covered Properties
(2)
Title Not Available
Patent:
3,985,124 →
Application:
05/562,302 →
Optical Digitizer for Measuring Spirometer Output
Patent:
4,307,729 →
Application:
06/109,386 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 28, 1981
From: HART RUSSELL F.; GLUTH JOAN M.; BRUMM GERALD A.
To: BENDIX CORPORATION THE, A CORP. OF DE.
Reel/Frame 003863/0258 →
Assignment of Assignors Interest.
May 19, 1982
From: BENDIX CORPORATION, THE, A CORP. OF DE.
To: HEALTHDYNE INC., A CORP. OF GA.
Reel/Frame 003990/0420 →
Assignment of Assignors Interest.
Jul 23, 1984
From: THERMO ELECTRON CORPORATION
To: THERMEDICS, INC.
Reel/Frame 004287/0680 →
Released by Secured Party
Aug 8, 1989
From: CASCO NORTHERN BANK, N.A.
To: CASCO AND SPIROMETRICS, INC.
Reel/Frame 005138/0373 →
Assignment of Assignors Interest.
Apr 27, 1993
From: HEALTHDYNE, INC.
To: HEALTHDYNE TECHNOLOGIES, INC.
Reel/Frame 006505/0794 →
Security Interest
Jul 9, 1993
From: HEALTHDYNE TECHNOLOGIES, INC.
To: CONTINENTAL BANK, N.A.
Reel/Frame 006611/0362 →
Amended and Restated Patent and Trademark Security Agreement
Jan 17, 1995
From: HEALTHDYNE TECHNOLOGIES, INC.
To: BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION AS AGENT
Reel/Frame 007365/0425 →
Release of Patent & Trademark Security Agreement
Jan 17, 1995
From: CONTINENTAL BANK, N.A.
To: HEALTHDYNE TECHNOLOGIES, INC.
Reel/Frame 007365/0420 →