VG

Volker Guelck

PI Ply Gem Industries: 2 patents #1 of 1Top 100%
Overall (2020): #109,605 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10787849 Sash balance for vertical slider window 2020-09-29
10760317 Casement window operator 2020-09-01