WW

Walter Ferdinand Witterland

📍 Leusden, NL: #16 of 55 inventorsTop 30%
Overall (All Time): #1,989,978 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9756861 Micro-colloidal silicic acid / boric acid composition and a method of preparing a bioenhancing solution and powder Henk Maarten Laane 2017-09-12
9215890 Micro-colloidal silicic acid / boric acid composition and a method of preparing a bioenhancing solution and powder Henk Maarten Laane 2015-12-22