DH

Donald L. Heefner

HE Hemasure: 1 patents #2 of 13Top 20%
📍 Arvada, CO: #9 of 60 inventorsTop 15%
🗺 Colorado: #172 of 1,967 inventorsTop 9%
Overall (1997): #42,010 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5663043 Method for inactivating non-enveloped viruses using a viricide-potentiating agent with a photoactivatible virucide Charles M. Zepp 1997-09-02
5658796 Optical resolution of alkyl chroman-2-carboxylates Richard F. Rossi, Charles M. Zepp 1997-08-19