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David Lund
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Detroit Lakes, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sliding fenestration control device
Patent number
9,556,652
Issue date
Jan 31, 2017
Integrity Windows and Doors / Infinity Replacement Windows
David Lund
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Sash limiter apparatus and method
Patent number
8,776,440
Issue date
Jul 15, 2014
Marvin Lumber and Cedar Company
John Sopkowiak
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Window opening control assembly
Patent number
8,490,330
Issue date
Jul 23, 2013
Integrity Windows and Doors
David Lund
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
FENESTRATION ASSEMBLY WITH OPERABLE FLOATING SASH AND METHODS FOR SAME
Publication number
20240141719
Publication date
May 2, 2024
Marvin Lumber and Cedar Company, LLC d/b/a Marvin Windows and Doors
David M. Lund
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
MULLION SYSTEMS AND METHODS FOR THE SAME
Publication number
20230383588
Publication date
Nov 30, 2023
Marvin Lumber and Cedar Company, LLC d/b/a Marvin Windows and Doors
David M. Lund
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
SLIDING FENESTRATION CONTROL DEVICE
Publication number
20150159429
Publication date
Jun 11, 2015
David Lund
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
SASH LIMITER APPARATUS AND METHOD
Publication number
20120167475
Publication date
Jul 5, 2012
John Sopkowiak
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
WINDOW OPENING CONTROL ASSEMBLY
Publication number
20110173895
Publication date
Jul 21, 2011
Integrity Windows and Doors
David Lund
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES