Patent Assignment
Reel/Frame 004138/0767
Assignment of Assignors Interest.
Recorded: 1983-05-16
Pages: 1
Assignor
WHITE, DAVID A.
Executed: 1983-04-04
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
A CORP. OF DEL., WILMINGTON, DELAWARE
Covered Property
(1)
Audio Dosimeter for Detecting Noise Level
Patent:
282,149 →
Application:
06/483,435 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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
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 →