Average Co-Inventor Count = 3.44
ph-index = 23
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. At&t Bell Laboratories (7 from 3,345 patents)
2. At+t Corp. (4 from 4,208 patents)
3. At&t Information Systems Inc. (4 from 243 patents)
4. M&r Marking Systems, Inc. (3 from 43 patents)
5. S-b Power Tool Company (2 from 90 patents)
6. American Telephone and Telegraph, Co. (1 from 386 patents)
7. American Telephone and Telegraph Company; At&t Information Systems (1 from 26 patents)
8. S-b Power Tool Corporation (1 from 24 patents)
9. At&t Bell Telephone Laboratories, Incorporated (1 from 6 patents)
23 patents:
1. D469671 - Cordless electric rotary hand tool
2. D468180 - Electric powered rotary saw tool
3. D458947 - Table saw
4. D365824 - Cradle for a telephone handset
5. D364621 - Telephone stand
6. D359064 - Handle for a pre-inked mount
7. D355186 - Telephone answering machine
8. D355187 - Telephone answering machine
9. D353394 - Dater hand stamp
10. D352521 - Pre-inked mount
11. D323657 - Telephone station having a touch-screen display
12. D320985 - Integrated answering machine
13. D319439 - Adjunct answering machine
14. D318051 - Telephone stand
15. D315343 - Facsimile transceiver