Average Co-Inventor Count = 1.09
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. Prestolite Corporation (1 from 2 patents)
2. Boundaries Unlimited, Inc. (1 from 1 patent)
3. W.a.s. Vending, Inc. (1 from 1 patent)
6 patents:
1. D456731 - Traffic sign
2. D411810 - Combined safety cone and light
3. D370236 - Gum ball machine
4. D361952 - Portable traffic guard
5. 4905968 - Insulator for an electric fence and electric fence including the same
6. 4671455 - Donation box