Cologne
Germany
3
2024-04-18
The entities that hold a legal rights for patent applications filed by inventor Ruth Marcel:
Marcel Ruth from Cologne, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
SNIFFING LEAK DETECTOR WITH SWITCHING VALVE AND BUFFER CHAMBER
#2 | 2021-08-05Method for determining the relative position of a gas leak
#3 | 2021-07-29Sniffing leak detector with switching valve and buffer chamber
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