Average Co-Inventor Count = 2.26
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. W.c. Bradley Company (3 from 216 patents)
2. 3M Innovative Properties Company (2 from 14,084 patents)
5 patents:
1. D478472 - Curved barbecue grill handle
2. D473255 - Inverted projection head for an overhead projector
3. D473254 - Overhead projector having an inverted head
4. D460313 - Quick assembly barbecue grill and cart combination
5. D439110 - Burner grate