Average Co-Inventor Count = 1.00
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. Fred M. Schildwachter & Sons, Inc. (1 from 11 patents)
1 patent:
1. 5420564 - Door chime assembly