IP Library › Granted Patent US 916,248
Granted Patent S1
US 916,248 · App. 29/651,219 · Granted Apr 13, 2021

Filter cassette

Inventors: Travis Pettengill (Ocala, FL); Bill Barker, Jr. (Ocala, FL); Wayne Sipes (Ocala, FL)
Assignee: ZEFON INTERNATIONAL, INC.
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Quick Facts
Patent No.
US 916,248
App. No.
29/651,219
Granted
Apr 13, 2021
Kind
S1
Claims (1)

The ornamental design for a filter cassette, as shown and described.

Assignments (5)
PATENT SECURITY AGREEMENT Recorded Jun 11, 2025
From: COLE-PARMER INSTRUMENT COMPANY LLC; SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC; ZEPTOMETRIX LLC; CONTROL 3, LLC; ENVIRONMENTAL EXPRESS, INC.; ENVIRONMENTAL MONITORING SYSTEMS, LLC
To: UBS, AG, STAMFORD BRANCH
Reel/Frame 071511/0113 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS RECORDEDNOVEMBER 9, 2021 AT REEL 058066 FRAME 0423 Recorded 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; SPEX SAMPLEPREP, LLC
Reel/Frame 071587/0751 →
SECURITY INTEREST Recorded Nov 9, 2021
From: ZEPTOMETRIX LLC; ENVIRONMENTAL EXPRESS, INC.; COLE-PARMER INSTRUMENT COMPANY LLC; SPEX CERTIPREP, LLC; SPEX SAMPLEPREP, LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 058066/0423 →
COMPANY NON-COMPETE, INFORMATION AND INVENTION AGREEMENT Recorded Oct 29, 2021
From: SIPES, WAYNE
To: COLE-PARMER INSTRUMENT COMPANY LLC
Reel/Frame 057973/0680 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 26, 2021
From: BARKER, BILL, JR.
To: COLE-PARMER INSTRUMENT COMPANY, LLC
Reel/Frame 057919/0948 →