Douglas Arthur McDonald

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Biggera Waters, AU

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Patents Grantslast 30 patents

Information Patent Grant
Frame systems for building structures
- Patent number 10,895,072
- Issue date Jan 19, 2021
- ROCKHOUSE INTERNATIONAL PTY LTD
- Douglas Arthur McDonald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Frame systems for building structures
- Patent number 10,151,100
- Issue date Dec 11, 2018
- ROCKHOUSE INTERNATIONAL PTY LTD
- Douglas Arthur McDonald
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Punch and Die Assembly
- Publication number 20220274152
- Publication date Sep 1, 2022
- Rockhouse International Pty Ltd
- David Hancock
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
FRAME SYSTEMS FOR BUILDING STRUCTURES
- Publication number 20190078312
- Publication date Mar 14, 2019
- Rockhouse International Pty Ltd
- Douglas Arthur McDonald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Frame Systems for Building Structures
- Publication number 20170204597
- Publication date Jul 20, 2017
- Rockhouse International Pty Ltd
- Douglas Arthur McDonald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...