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Derek A. Charles

Four Marks, GB: #1 of 1 inventorsTop 100%

Overall (1982): #69,680 of 81,411Top 90%

1 Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4358125	Wheelchair frame construction	—	1982-11-09