Welgesheim
Germany
3
2011-01-20
The entities that hold a legal rights for patent applications filed by inventor Schaefer Ernst-Walter:
Ernst-Walter Schaefer from Welgesheim, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and device for producing glass products from a glass melt
#2 | 2006-06-29Heating apparatus with electrode for the conductive heating of melts
#3 | 2006-01-19Method and apparatus for contactless optical measurement of the thickness of a hot glass body by optical dispersion
3507594 ⎘