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. Monroe Systems for Business, Inc. (2 from 6 patents)
2. Litton Business Systems, Inc. (1 from 70 patents)
3 patents:
1. D309629 - Calculator case
2. D308986 - Calculator case
3. D257512 - Calculator case