Rafz
Switzerland
6
2016-12-08
The entities that hold a legal rights for patent applications filed by inventor Keller Karl:
Karl Keller from Rafz, CH has applied for patents for these inventions. The list has both pending applications and granted patents:
Magnetron control system and associated methodology
#2 | 2016-11-17METHOD FOR PRESERVING FOOD
#3 | 2015-02-12METHOD FOR PRESERVING FOOD
#4 | 2014-10-09METHOD FOR PRESERVING FOODSTUFFS
#5 | 2012-01-12METHOD FOR PRESERVING FOOD
#6 | 2008-12-25Method for Preserving Foodstuffs
925695 ⎘