Bertram W. Coltman, Jr.

RW Republic Welding: 1 patents #3 of 7Top 45%

📍 Winnetka, IL: #134 of 229 inventorsTop 60%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #4,028,022 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4426014	Closure for open mouth container	—	1984-01-17