Average Co-Inventor Count = 1.00
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. Gruber Systems, Inc. (5 from 31 patents)
5 patents:
1. D287397 - Bathtub
2. D274455 - Bathtub
3. D274456 - Bathtub
4. D265923 - Bathtub
5. D261171 - Water closet