IP Library Assignment 003975/0939
Patent Assignment
Reel/Frame 003975/0939

Assignment of Assignors Interest.

Recorded: 1982-02-04 Pages: 1
Assignor
HOLTGRAVER, EDWARD G.
Executed: 1982-01-29
Assignee
Covered Property (1)
Valve Assembly
Patent: 4,399,833 →
Application: 06/345,660 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Mar 8, 1990
From: KEYSTONE INTERNATIONAL, INC.
To: KEYSTONE INTERNATIONAL HOLDINGS CORP.
Reel/Frame 005300/0416 →