Daniel Duke

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Hardened operable window systems and methods
- Patent number 12,012,801
- Issue date Jun 18, 2024
- UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
- John S. Judson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Hardened compression frame systems and methods
- Patent number 11,286,711
- Issue date Mar 29, 2022
- UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY
- John S Judson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
HARDENED OPERABLE WINDOW SYSTEMS AND METHODS
- Publication number 20230366258
- Publication date Nov 16, 2023
- John S. Judson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
HARDENED COMPRESSION FRAME SYSTEMS AND METHODS
- Publication number 20210095519
- Publication date Apr 1, 2021
- United States of America as Represented by The Secretary of The Army
- John S. Judson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS