Inventor

SPIEGEL VOLKER

DE2 patents

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

VOLKER SPIEGEL

1 patent

US7841929B2Nov 30, 2010

Recreation room and method for controlling the atmosphere in the room

VOLKER SPIEGEL9 citations71

SPIEGEL VOLKER

1 patent

US9636565B2May 2, 2017

Recreation room and method of adjusting the room atmosphere

SPIEGEL VOLKER2 citations59