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Douglas Trotman

Yelm, WA: #2 of 3 inventorsTop 70%

Washington: #1,140 of 3,868 inventorsTop 30%

Overall (2003): #233,722 of 273,478Top 90%

1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6632038	Keyboard arrangement for easy acquisition of typing skills	—	2003-10-14