Average Co-Inventor Count = 3.16
ph-index = 5
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. Other (4 from 832,843 patents)
2. Dahlgren Manufacturing Company, Inc. (1 from 7 patents)
5 patents:
1. 4567824 - Planetary conveyor system
2. 4533563 - Coating method
3. 4453463 - Inking systems
4. 4444147 - Coating apparatus
5. 4373442 - Portable ink fountain