HEATKEYS

Home page of the United States Patent and Trademark Office

Huge collection of graphic resource for designer include vector graphic, psd graphic, icons, font, photoshop brush all are free for download.

Harvard School of Engineering and Applied Sciences. Serving as the connector and integrator of Harvard

Forum, Wiki, FAQ, Groups - the official Qt community site. Here you can get started with Qt, read tutorials, find solutions to your challenges and get up to date on the latest developments.

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

Answers.com: Wiki Q&A combined with free online dictionary, thesaurus, and encyclopedias. Ask questions, get answers.

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...