Average Co-Inventor Count = 10.29
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. Rand Mcnally & Company (1 from 25 patents)
2. D-m-s Holdings, Inc. (1 from 5 patents)
2 patents:
1. 8777287 - Sliding handle reacher
2. 7274378 - Customized wall map printing system