DH

Donald O. Heumann

📍 Metairie, LA: #3 of 20 inventorsTop 15%
🗺 Louisiana: #24 of 464 inventorsTop 6%
Overall (2005): #57,990 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6906108 Extracts of vetiver oil as repellent and toxicant to ants, ticks, and cockroaches Gregg Henderson, Roger A. Laine, Lara Maistrello, Betty Zhu, Feng Chen 2005-06-14
6890960 Vetiver oil extracts as termite repellent and toxicant Gregg Henderson, Roger A. Laine, Feng Chen, Betty Zhu 2005-05-10