William L. Pettiford

📍 Washington, DC: #1,663 of 3,063 inventorsTop 55%

🗺 District of Columbia: #1,663 of 3,063 inventorsTop 55%

Overall (All Time): #3,905,257 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4934389	Dental floss dispenser	—	1990-06-19