Average Co-Inventor Count = 1.71
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. Trans World Marketing Corp. (3 from 9 patents)
2. Trans-world Manufacturing Corporation (1 from 18 patents)
4 patents:
1. 4919383 - Rotating display
2. 4813553 - Modular display kit
3. 4796763 - Modular display
4. 4660309 - Changeable character display device