Average Co-Inventor Count = 4.05
ph-index = 3
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 Singer Company (3 from 1,246 patents)
2. Wagner Spray Tech Corporation (3 from 298 patents)
6 patents:
1. D288472 - Hot air gun
2. D282072 - Power unit for paint roller
3. D280468 - Handle fed paint roller or similar article of manufacture
4. D279295 - Hand operable fabric repairing machine
5. D278912 - Hand operable sewing machine
6. 4406723 - Fabric repairing method