Average Co-Inventor Count = 2.00
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. Wren Garden Products, Inc. (3 from 8 patents)
2. Duncraft (3 from 4 patents)
6 patents:
1. 6647921 - Birdfeeder
2. D477116 - Pagoda feeder
3. D477117 - Tube feeder
4. D452049 - Birdfeeder
5. D423640 - Sprinkler
6. D423082 - Sprinkler