HR

Helmut Ruff

RI Ricon: 1 patents #20 of 48Top 45%
Overall (All Time): #3,746,985 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5533594 Chairlift with positioning carriage and swivel mechanism with safety interlock Jules Tremblay, David C. Balmer 1996-07-09