Average Co-Inventor Count = 4.29
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. John O. Butler Company (1 from 47 patents)
2. Rust-oleum Corporation (1 from 15 patents)
3. Davric Corporation, Inc. (1 from 1 patent)
3 patents:
1. 7104524 - Vehicle ramp with chock
2. 6905274 - Liquid applicator
3. 5934295 - Dental hygiene system