Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WW

Walter Ferdinand Witterland

Leusden, NL: #1 of 4 inventorsTop 25%
Overall (2017): #201,571 of 506,227Top 40%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 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