Average Co-Inventor Count = 5.00
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. The Chamberlain Group, Inc. (3 from 514 patents)
3 patents:
1. 6956199 - Method and apparatus for determining a position of a movable barrier
2. 6878927 - Method and apparatus for determining a position of a movable barrier
3. 6376832 - Method and apparatus for determining a position of a movable barrier