Inventor

RIEKE JOHANNES C

NL2 patents

⚠️ This page may combine multiple inventors who share the name “RIEKE JOHANNES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VERTO NV

1 patent

US4178157ADec 11, 1979

Method for manufacturing a filter of electrically charged electret fiber material and electret filters obtained according to said method

VERTO NV51 citations91

TNO

1 patent

US4965128AOct 23, 1990

Biodegradable polymer substrates loaded with active substance suitable for the controlled release of the active substance by means of a membrane

TNO54 citations89