Average Co-Inventor Count = 1.19
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. (7 from 65 patents)
2. Smith Corona Corportion (1 from 1 patent)
8 patents:
1. D322087 - Typewriter
2. D319223 - Pocket electronic dictionary
3. D317321 - Typewriter
4. D311926 - Typewriter
5. D310209 - Hand held electronic dictionary
6. D308535 - Typewriter
7. D301041 - Typewriter
8. 4808017 - Pivotable character display for a typewriter