Average Co-Inventor Count = 1.41
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. Dictaphone Corporation. (2 from 159 patents)
2. Other (1 from 832,812 patents)
4 patents:
1. D290201 - Adjustable equipment support stand
2. 4560132 - Stand for display devices
3. 4051540 - Instruction indicating apparatus for a record and/or playback device
4. 4041890 - Indexing apparatus for a record and/or playback device