Patent Assignment
Reel/Frame 048910/0605
Assignment of Assignor's Interest
Recorded: 2019-04-17
Pages: 3
Assignor
RYAN, SCOTT
Executed: 2019-03-29
Assignee
ZEFON INTERNATIONAL, INC
5350 1ST LANE, OCALA, FLORIDA, 34474
Covered Property
(1)
Device for Collecting Particulate Matter
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 14, 2019
From: PETTENGILL, TRAVIS; BARKER, BILL, JR; SIPES, WANE
To: ZEFON INTERNATIONAL, INC
Reel/Frame 048337/0252 →
Assignment of Assignor's Interest
May 28, 2021
From: ZEFON INTERNATIONAL, INC.
To: COLE-PARMER INSTRUMENT COMPANY LLC
Reel/Frame 056384/0847 →
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 →
Corrective Assignment to Correct the Third Assignor's First Name Previously Recorded at Reel: 048337 Frame: 0252. Assignor(S) Hereby Confirms the Assignment .
Jul 5, 2022
From: PETTENGILL, TRAVIS; BARKER, BILL, JR.; SIPES, WAYNE
To: ZEFON INTERNATIONAL, INC
Reel/Frame 060572/0926 →
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 →