Average Co-Inventor Count = 1.97
ph-index = 7
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. Dispensing Dynamics International (8 from 48 patents)
2. Perrin Manufacturing Company (1 from 16 patents)
3. Perrin Manufacturing (1 from 4 patents)
10 patents:
1. 10136733 - Paper toweling or tissue dispensing apparatus including roll overspin control
2. 9907442 - Paper toweling or tissue dispensing apparatus including roll overspin control
3. 9345367 - Multi-function paper toweling dispenser
4. 9248988 - Multi-function dispenser for dispensing paper sheet material
5. 8555761 - Paper sheet material dispenser apparatus
6. 8387787 - Toilet seat cover refill package
7. 8382026 - Multi-function paper toweling dispenser
8. 8220684 - Apparatus for dispensing paper toweling
9. 7500420 - Paper towel dispenser apparatus
10. 5950863 - Sheet dispenser insert