Average Co-Inventor Count = 4.07
ph-index = 4
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. (4 from 514 patents)
4 patents:
1. D519138 - Barrier movement operator housing
2. D506485 - Barrier movement operator housing
3. D492333 - Garage door opener
4. D478605 - Garage door opener