FIRE-SUPPRESSION SPRINKLER SYSTEM AND METHOD FOR INSTALLATION AND RETROFIT

ASC ENGINEERED SOLUTIONS, LLC

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CHANGE OF NAME Recorded 2021-05-11

FLEXHEAD INDUSTRIES, INC.

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RELEASE OF SECURITY INTEREST IN PATENTS Recorded 2019-05-22

ANVIL INTERNATIONAL, LLC

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ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2018-04-27

FLEXHEAD INDUSTRIES, INC.

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RELEASE OF SECURITY INTEREST Recorded 2018-04-02

AFC CABLE SYSTEMS, INC., ALLIED TUBE & CONDUIT CORPORATION, AMERICAN PIPE & PLASTICS, INC., ATKORE INTERNATIONAL, INC., ATKORE STEEL COMPONENTS, INC., FLEXHEAD INDUSTRIES INC., UNISTRUT INTERNATIONAL CORPORATION, WPFY, INC.

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RELEASE OF SECURITY INTEREST Recorded 2016-12-22

DEUTSCHE BANK AG, NEW YORK BRANCH

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NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS (FIRST LIEN) Recorded 2014-04-15

DEUTSCHE BANK AG, NEW YORK BRANCH

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NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS (SECOND LIEN) Recorded 2014-04-15

FLEXHEAD INDUSTRIES INC.

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TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded 2014-04-09

WILMINGTON TRUST, NATIONAL ASSOCIATION (SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB)

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NOTE NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Recorded 2012-07-12

FLEXHEAD INDUSTRIES, INC.

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MERGER Recorded 2012-06-19

UBS AG, STAMFORD BRANCH

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ABL NOTICE AND CONFIRMATION OF GRANT OF SECURITY INTEREST IN PATENTS Recorded 2012-05-15

PNM, INC.

from MACDONALD, III, NORMAN J., MACDONALD, PETER M.

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded 2005-08-24