Average Co-Inventor Count = 3.75
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. Rollease, Inc. (2 from 27 patents)
2. Richard Fraczek (0 patent)
3. David M. Cross (0 patent)
4. Martin M. Balta (0 patent)
2 patents:
1. 6854503 - Semi-cordless unbalanced spring driven blind system and methods for adjusting and making same
2. 6685592 - Roller shade clutch with internal gearing