Jeffrey A. Hallsten

HA Hallsten: 2 patents #1 of 1Top 100%

📍 Sacramento, CA: #8 of 63 inventorsTop 15%

🗺 California: #1,869 of 17,285 inventorsTop 15%

Overall (1997): #36,373 of 185,788Top 20%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5689920	Modular containment system for hazardous materials	—	1997-11-25
5617677	Tank or channel cover	—	1997-04-08