Patent Assignment
Reel/Frame 008698/0153
Assignment of Assignor's Interest
Recorded: 1997-09-08
Pages: 3
Assignor
KEYSTONE INTERNATIONAL, INC.
Executed: 1997-08-22
Assignee
KEYSTONE INTERNATIONAL HOLDING CORP.
9600 WEST GULF BANK DRIVE, HOUSTON, TEXAS, 77040
Covered Properties
(4)
High Temperature Safety Relief System
Patent:
4,848,397 →
Application:
07/209,194 →
High Temperature Safety Relief System
Patent:
4,865,074 →
Application:
07/268,041 →
High Temperature Safety Relief System
Patent:
4,870,989 →
Application:
07/268,191 →
Portable Tool for Cleaning Valve Bores and Associated Inlet Passage
Patent:
4,898,201 →
Application:
07/308,000 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 20, 1988
From: BICKFORD, CLEO M.; POWELL, WALTER W.; SAMPLE, LARRY A.
To: KEYSTONE INTERNATIONAL, INC., A CORP. OF TEXAS
Reel/Frame 004904/0849 →
Assignment of Assignors Interest.
Feb 9, 1989
From: CONLEY, JEFF A.; LYNCH, JEFFREY T.
To: KEYSTONE INTERNATIONAL, INC., A CORP. OF TX
Reel/Frame 005045/0098 →
Assignment of Assignor's Interest
Dec 6, 2006
From: TYCO FLOW CONTROL, INC.
To: TYCO VALVES & CONTROLS INC.
Reel/Frame 018584/0542 →