Average Co-Inventor Count = 1.33
ph-index = 5
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. Acorn Engineering Company (6 from 137 patents)
6 patents:
1. D483840 - Lay down tub
2. D474835 - Sink having hidden drain
3. D472966 - Sink basin rim
4. D470927 - Trapway for a sink
5. D468815 - Sink having hidden drain
6. D462113 - Soaking tub