Average Co-Inventor Count = 1.50
ph-index = 5
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 Singer Company (4 from 1,246 patents)
2. Sycon Corporation (4 from 7 patents)
3. Automatic Timing & Controls, Inc. (1 from 8 patents)
9 patents:
1. D421422 - Housing for laser photoelectric control
2. D401563 - Housing for a photoelectric control
3. D401564 - Housing for photoelectric control
4. D401562 - Housing for photoelectric limit switch control
5. D400864 - Housing for photoelectric control
6. D276614 - Combined sewing machine and work support extension
7. D276344 - Sewing machine or similar article
8. D274910 - Sewing machine or similar article
9. D274528 - Sewing machine