RH

Roman Houha

Overall (2023): #278,294 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11836558 Gramophone plate with recorded image Marek Skeren, Milan Kveton, Milan Matejka 2023-12-05