• All sections
• G - Physics
• G08B - Signalling or calling systemsorder telegraphsalarm systems
• G08B 13/08 - Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Patent holdings for IPC class G08B 13/08

Total number of patents in this class: 737

10-year publication summary

Principal owners for this class