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Donald MacDougal Campbell

Holden Beach, NC: #1 of 2 inventorsTop 50%

North Carolina: #561 of 2,260 inventorsTop 25%

Overall (1997): #158,799 of 185,788Top 90%

1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5626440	Retractable beach stairway	G. Greene	1997-05-06