Patent Assignment
Reel/Frame 004807/0919
Assignment of Assignors Interest.
Recorded: 1987-09-25
Pages: 5
Assignee
Covered Property
(1)
12-Step Commutation Device for an Electric Motor
Patent:
4,758,768 →
Application:
07/100,962 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 3, 1998
From: PENN ENGINEERING & MANUFACTURING CORP.
To: PEM MANAGEMENT, INC.
Reel/Frame 009097/0554 →
Assignment of Assignor's Interest
May 1, 2006
From: PEM MANAGEMENT, INC.
To: PENN ENGINEERING & MANUFACTURING CORP.
Reel/Frame 017546/0773 →
Assignment of Assignor's Interest
May 17, 2006
From: PENN ENGINEERING & MANUFACTURING CORP.
To: AMETEK PITTMAN, INC.
Reel/Frame 017626/0721 →