Average Co-Inventor Count = 2.40
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. The Chamberlain Group, Inc. (1 from 514 patents)
2. Clicker Corporation (1 from 1 patent)
2 patents:
1. 6486795 - Universal transmitter
2. D405424 - Enclosure for a portable hand held transmitter