David Eugene Robertson

📍 Glendora, CA: #6 of 24 inventorsTop 25%

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #121,905 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D299748	Electronic acupuncture unit	—	1989-02-07