Average Co-Inventor Count = 4.00
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. American Tack & Hardware Co., Inc. (2 from 109 patents)
2 patents:
1. 9230757 - Switch guard for restricting the operation of a rocker type electric wall switch
2. D707639 - Switch guard