Onalaska, Wisconsin
United States
4
2015-10-22
The entities that hold a legal rights for patent applications filed by inventor Martinus Ferdy:
Ferdy Martinus from Onalaska, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and systems to reduce damage caused by vibration
#2 | 2015-10-22Methods and apparatuses to attenuate acoustic waves
#3 | 2011-09-13Multi-stage low pressure drop muffler
#4 | 2007-08-16Sound attenuating shield for an electric heater
1331259 ⎘