HR

Hendrik Romberg

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
Overall (All Time): #2,333,303 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4869744 Method of manufacturing an electric lamp, and device for performing such a method — 1989-09-26
4586944 Method of manufacturing hollow glass objects, and apparatus for carrying out the method — 1986-05-06