SL

Stefan Lienhard

SA Schwihag Ag: 4 patents #3 of 23Top 15%
Overall (All Time): #924,586 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11913177 Rail fastening system Frank Meyer 2024-02-27
11306442 Rail fastening system Tilman Rützel, Frank Meyer 2022-04-19
10704205 Holddown assembly for railway rail Jia Liu, William Locci, Frank Meyer 2020-07-07
9458575 Rail attachment system for junction areas Daniel Walter, Erik Danneberg, Roland Buda 2016-10-04
9290888 Rail-fastening system Daniel Walter, Erik Danneberg, Roland Buda 2016-03-22