Eckhard Kucharczyk

SK Siegenia-Frank Kg: 3 patents #4 of 14Top 30%

📍 Netphen, DE: #17 of 56 inventorsTop 35%

Overall (All Time): #1,307,078 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4611531	Ventilation appliance	—	1986-09-16
4319169	Safety control unit	—	1982-03-09
4257319	Room ventilating device	—	1981-03-24
4183290	Air vent	—	1980-01-15