SF

Siegfried Frank

AK Andreas Stihl Ag & Co. Kg: 2 patents #293 of 807Top 40%
PM Preussag Aktiengesellschaft Metall: 1 patents #3 of 11Top 30%
📍 Bergstadt Bad Grund, DE: #1 of 6 inventorsTop 20%
Overall (All Time): #1,648,774 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5564192 Guide bar for a saw chain of a motor-driven chain saw Adolf Wilhelm 1996-10-15
4970993 Portable handheld motor tool having a one-piece fan housing Hermann Weiss, Wolfgang Kirtz, Luise Stephani 1990-11-20
4468154 Method of disposal or temporary storage of waste material Klaus Janssen, Jurgen Meier 1984-08-28