Howard J. Robbins

📍 Chicago, IL: #2,537 of 13,327 inventorsTop 20%

🗺 Illinois: #17,877 of 84,256 inventorsTop 25%

Overall (All Time): #1,060,438 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5167352	Double wall tank system	—	1992-12-01
5154312	Tank secondary containment system	—	1992-10-13
4871084	Tank secondary containment system	—	1989-10-03
4685585	Double wall tank manway system	—	1987-08-11
4591215	Merchandising and display device	—	1986-05-27