Average Co-Inventor Count = 3.00
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. Protector Care, Inc. (1 from 1 patent)
2. Protector Car, Inc. (1 from 1 patent)
2 patents:
1. 5924249 - Stairway step assembly
2. 5664379 - Stairway step assembly