Average Co-Inventor Count = 3.00
ph-index = 1
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. Infrastructure Protection Systems, Inc. (2 from 2 patents)
2 patents:
1. 5292205 - Backup protection for sealed structural expansion joints
2. 5141358 - Protection of elevated roadways at expansion joints