IP Library Assignment 008455/0186
Patent Assignment
Reel/Frame 008455/0186

Assignment of Assignor's Interest

Recorded: 1997-04-14 Pages: 3
Assignors
PIOTROWSKI, THOMAS C.
Executed: 1995-08-10
DIAZ, SCOTT R.
Executed: 1995-08-10
Assignee
PROTECTOSEAL COMPANY, THE
225 WEST FOSTER AVENUE, BENSENVILLE, ILLINOIS, 60106
Covered Property (1)
Tank Blanketing Valve
Patent: 5,660,204 →
Application: 08/517,242 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 14, 1997
From: ZEHR, WILLIAM J.
To: PROTECTOSEAL COMOPANY, THE
Reel/Frame 008455/0162 →
Security Interest May 21, 2023
From: THE PROTECTOSEAL COMPANY
To: CIBC BANK USA
Reel/Frame 063710/0591 →