Frank Hamtak

📍 Bristol, WI: #32 of 55 inventorsTop 60%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #4,013,995 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D278520	Multifunction necklace container	—	1985-04-23