Patent Assignment
Reel/Frame 048292/0744
Assignment of Assignor's Interest
Recorded: 2019-02-08
Pages: 2
Assignee
SPEX SAMPLE PREP LLC
15 LIBERTY STREET, METUCHEN, NEW JERSEY, 08840
Covered Property
(1)
Method for Operating a Power-Compensated Fusion Furnace
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
First Lien Security Agreement
Feb 6, 2020
From: SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC
To: JEFFERIES FINANCE LLC
Reel/Frame 051834/0385 →
Second Lien Security Agreement
Feb 6, 2020
From: SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC
To: CORTLAND CAPITAL MARKET SERVICES LLC
Reel/Frame 051834/0405 →
Release of First Lien Security Interest (Reel/Frame 051834/0385)
Nov 1, 2021
From: JEFFERIES FINANCE LLC
To: SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC
Reel/Frame 057988/0273 →
Security Interest
Nov 9, 2021
From: ZEPTOMETRIX LLC; ENVIRONMENTAL EXPRESS, INC.; COLE-PARMER INSTRUMENT COMPANY LLC; SPEX CERTIPREP, LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 058066/0423 →
Release of Security Interest
Nov 10, 2021
From: CORTLAND CAPITAL MARKET SERVICES LLC, AS COLLATERAL AGENT
To: SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC
Reel/Frame 058073/0461 →
Termination and Release of Security Interest in Patents Recordednovember 9, 2021 at Reel 058066 Frame 0423
Jun 10, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: ZEPTOMETRIX LLC; ENVIRONMENTAL EXPRESS, INC.; COLE-PARMER INSTRUMENT COMPANY LLC; SPEX CERTIPREP, LLC
Reel/Frame 071587/0751 →
Patent Security Agreement
Jun 11, 2025
From: COLE-PARMER INSTRUMENT COMPANY LLC; SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC; ZEPTOMETRIX LLC
To: UBS, AG, STAMFORD BRANCH
Reel/Frame 071511/0113 →