Patent Assignment
Reel/Frame 004154/0608
Assignment of Assignors Interest.
Recorded: 1983-08-08
Pages: 1
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DE, WILMINGTON, DELAWARE
Covered Property
(1)
Audio Dosimeter
Patent:
4,554,639 →
Application:
06/482,594 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Re-Record to Correct Filing Date of Reel 4154 Frame 608
Jan 30, 1984
From: BAKER, WILLIAM B.; BETSILL, HARRY E.
To: E.I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 004215/0475 →
Assignment of Assignors Interest.
Jul 5, 1990
From: E. I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
To: AMETEK, INC.
Reel/Frame 005381/0243 →
Assignment of Assignors Interest.
Jul 5, 1990
From: AMETEK, INC., A CORP. OF DE.
To: EMA CORP
Reel/Frame 005381/0248 →
Security Interest
Jul 25, 1994
From: EMA CORPORATION
To: CHASE MANHATTAN BANK, N.A., THE
Reel/Frame 007091/0269 →
Assignment of Assignor's Interest
Dec 11, 1995
From: CHASE MANHATTAN BANK, N.A.
To: EMA CORPORATION
Reel/Frame 007737/0223 →
Assignment of Assignor's Interest
Oct 24, 1997
From: AMETEK, INC.
To: AMETEK AEROSPACE PRODUCTS, INC.
Reel/Frame 008766/0028 →
Change of Name
Jun 24, 1998
From: AMETEK AEROSPACE PRODUCTS, INC.
To: AMETEK, INC.
Reel/Frame 009289/0151 →