Average Co-Inventor Count = 1.00
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. Pactec, Inc. (4 from 48 patents)
4 patents:
1. 6200064 - Road marker with collar
2. 6116812 - Snowplowable pavement marker
3. D426169 - Snowplowable pavement marker
4. 5975794 - Snowplowable pavement marker