IP Library › Assignment 003913/0401
Patent Assignment
Reel/Frame 003913/0401

Assignment of Assignors Interest.

Recorded: 1981-08-24 Pages: 3
Assignor
PARSHALL, DAVID G.
Executed: 1981-08-14
Assignee
AMSTED INDUSTRIES INCORPORATED
3700 PRUDENTIAL PLAZA, A CORP. OF DE., CHICAGO, ILLINOIS
Covered Property (1)
Continuous Media Filter
Patent: 4,514,301 →
Application: 06/295,651 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Released by Secured Party Apr 12, 1989
From: FIRST NATIONAL BANK OF CHICAGO, AS AGENT
To: AMSTED INDUSTRIES INCORPORATED, A CORP. OF DE.
Reel/Frame 005070/0731 →
Assignment of Assignors Interest. Jun 29, 1989
From: AMSTED INDUSRIES INCORPORATED
To: FILTRA-SYSTEMS COMPANY
Reel/Frame 005184/0062 →