Average Co-Inventor Count = 2.57
ph-index = 2
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. The Parker Pen Company (2 from 29 patents)
2. Parker Pen (benelux) B.v. (1 from 10 patents)
3 patents:
1. 4702634 - Continuous feed mechanical pencil with push button lead feed actuator
2. D285936 - Push button ball point pen
3. D285937 - Push button mechanical pencil