DB

David A. Buttemer

📍 Pietermaritzburg, ZA: #2 of 27 inventorsTop 8%
Overall (All Time): #1,672,641 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4727372 Detection system — 1988-02-23
4661799 Loop detector — 1987-04-28
4270187 Activator units for identification systems and systems employing same — 1981-05-26