Patents « in action » (Index)
This section is dedicated to some of those patents that were actually put into practice in the Grand-Duchy.
Fences & Gates (André & Fleury)
Panification mécanique « Rolland » (Eydt)
Bell suspension (Ritter)
Mondorf’s thermal water source (Kind)
Door knobs (Poncin)
Espalier structure (Neuen-Therer
Pneumatic messenger system (D’Huart de Nothomb)
Towel suspender (Moris)
Clip-on device for food plates (Merten)
Spark plug (Lenoir)
Electrotherapeutic apparatus (Poos)
The following patent was put into practice some 150 years after the invention was made.