Charles A. Calvin

📍 Bridgeton, MO: #2 of 6 inventorsTop 35%

🗺 Missouri: #293 of 1,153 inventorsTop 30%

Overall (1997): #169,167 of 185,788Top 95%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D377257	Vertical, free-standing hot dog bun	—	1997-01-14