Average Co-Inventor Count = 3.43
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. Morrison-knudsen Company, Inc. (1 from 23 patents)
2. Chem-nuclear Systems, LLC (1 from 9 patents)
3. Mk-ferguson Company (1 from 4 patents)
2 patents:
1. 5025150 - Site survey method and apparatus
2. 4682926 - Ceiling panel placing machine