Average Co-Inventor Count = 1.66
ph-index = 4
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 (8 from 1,246 patents)
2. The Singer Company Patent Department (1 from 2 patents)
9 patents:
1. D259447 - Sewing cabinet
2. D255003 - Cabinet for a sewing machine and accessory items
3. D254043 - Multi-use sewing cabinet
4. D253979 - Sewing cabinet
5. 4126363 - Folding sewing machine cabinet with storage compartment
6. 4123124 - Convertible sewing machine cabinet
7. 4103633 - Sewing machine track storage system
8. 4062606 - Convertible sewing machine cabinets
9. 3946682 - Swingaway convertible bed cabinets