Walter Lindal

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wooden frame building construction
- Patent number 6,311,447
- Issue date Nov 6, 2001
- Walter Lindal
- E04 - BUILDING
Information Patent Grant
Wooden frame building construction
- Patent number 5,475,960
- Issue date Dec 19, 1995
- Walter Lindal
- E04 - BUILDING
Information Patent Grant
Door construction
- Patent number 4,034,512
- Issue date Jul 12, 1977
- Walter Lindal
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS