Average Co-Inventor Count = 1.25
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. Smith Corona Corp. (4 from 65 patents)
2. General Electric Company (1 from 51,901 patents)
5 patents:
1. D332960 - Typewriter
2. D319223 - Pocket electronic dictionary
3. D317934 - Typewriter
4. D316558 - Typewriter
5. D314772 - Control head for a two-way mobile radio