DM

D. Salvador Alimbau Marques

AN Andral: 2 patents #1 of 4Top 25%
Overall (All Time): #2,356,485 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4457391 Fold-up ladder 1984-07-03
4429766 Ladder consisting of sliding sections 1984-02-07