Average Co-Inventor Count = 5.00
ph-index = 1
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. Progressive Games, Inc. (3 from 23 patents)
3 patents:
1. 5944024 - Vacuum filtration system especially adapted for removing smoke in the
2. D403805 - Combined coaster and hood for removing smoke from ashtrays
3. D388531 - Hood for collecting smoke from ashtrays