DR

David B. Ringelberg

UA US Army: 2 patents #1,508 of 6,974Top 25%
📍 Bradford, VT: #3 of 9 inventorsTop 35%
🗺 Vermont: #2,192 of 4,968 inventorsTop 45%
Overall (All Time): #2,128,555 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7824569 Soluble salt produced from a biopolymer and a process for producing the salt John K. Newman, Kevin P. O'Connell, William A. Martin, Victor F Medina, Steven L. Larson 2010-11-02
6776816 Methods for accelerating production of magnesium ammonium phosphate while attaining higher yields thereof and a slow-release fertilizer produced therefrom Charles Weiss, Philip G. Malone 2004-08-17