Average Co-Inventor Count = 1.56
ph-index = 8
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. Marpac Corporation (4 from 13 patents)
2. Itt Corporation (2 from 821 patents)
3. Alcatel USA (2 from 46 patents)
4. U.S. Holding Co., Inc. (2 from 10 patents)
5. Xerox Corporation (1 from 24,190 patents)
14 patents:
1. D347008 - Sound conditioner
2. D344298 - Riding toy
3. D344299 - Riding toy
4. D338244 - Riding toy
5. D335129 - Synthesized telephone call announcer
6. D320023 - Electronic sound generator
7. D311065 - Sound conditioner for masking intruding noises
8. D299132 - Combined telephone handset and stand
9. D299131 - Combined telephone handset and stand
10. D298127 - Combined telephone handset and stand
11. D296783 - Combined telephone handset and stand
12. D288808 - Desk telephone set
13. D288809 - Desk telephone set
14. D286297 - Office copier processing cartridge