Thomas W. Steenson

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Thornhill, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Floating nut anchor for concrete construction
- Patent number D406524
- Issue date Mar 9, 1999
- Thomas W. Steenson
- D08 - Tools and hardware
Information Patent Grant
Building panel erection brackets
- Patent number 4,272,065
- Issue date Jun 9, 1981
- Butler Manufacturing Company
- Thomas W. Steenson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Movable insulation puncher
- Patent number 4,271,737
- Issue date Jun 9, 1981
- Butler Manufacturing Company
- Thomas W. Steenson
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Attachment for mounting concrete wall panels on a building
- Patent number 4,194,333
- Issue date Mar 25, 1980
- Butler Manufacturing Company
- W. Donald Paton
- E04 - BUILDING
Information Patent Grant
Reinforced insulated concrete building panel
- Patent number 4,117,639
- Issue date Oct 3, 1978
- Butler Manufacturing Company
- Thomas William Steenson
- E04 - BUILDING
Information Patent Grant
Lifting device for large panels
- Patent number 4,105,240
- Issue date Aug 8, 1978
- Butler Manufacturing Company
- Thomas W. Steenson
- B66 - HOISTING LIFTING HAULING