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David S. MacKenzie

HOHortech: 1 patents #1 of 1Top 100%

Nunica, MI: #1 of 3 inventorsTop 35%

Michigan: #694 of 3,452 inventorsTop 25%

Overall (1989): #122,480 of 140,708Top 90%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
PP6960	Periwinkle plant named Ralph Shugert	—	1989-08-01