United States Patent: 6,941,293 - Methods and apparatus for...
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=H...
tags: google patent
United States Patent: 6,453,315
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=H...
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United States Patent: 5,524,162 - Method and apparatus for ...
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An architecure for "natural" brush types in Gimp 1
http://www.levien.com/gimp/brush-arch.html
tags: metacreations patent gimp naturalmedia
A explanation of the buildup method in FDP
http://www.levien.com/gimp/fdp-buildup.html
tags: metacreations patent gimp
United States Patent: 5,347,620 - System and method for dig...
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United States Patent Application: 0050071741
http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=...
tags: google patent search
Free Patents Online Database
http://www.freepatentsonline.com/index.html
tags: patent search
Patent Database Search Results: AN/google in 1976 to present
pending patents
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