Average Co-Inventor Count = 5.83
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. Revell, Incorporated (2 from 2 patents)
2 patents:
1. 4274225 - Model with two-pole motor actuated siren and flashing lights
2. 4034491 - Model blimp