Average Co-Inventor Count = 2.00
ph-index = 3
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. Rolf C. Hagen Inc. (3 from 36 patents)
3 patents:
1. D260565 - Combined bird cage roof and bottom tray
2. D260566 - Combined bird cage roof and bottom tray
3. D260306 - Combined bird cage roof and bottom tray