Average Co-Inventor Count = 2.40
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Roto Frank Ag (2 from 14 patents)
2 patents:
1. 5581942 - Method for the installation of a sash in the frame of a roof window
2. 5581941 - Vent and tilt roof window providing an exit