Average Co-Inventor Count = 2.31
ph-index = 10
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. Michigan Tube Swagers & Fabricators, Inc. (18 from 66 patents)
2. Progressive Dynamics, Inc. (5 from 50 patents)
3. Vaco Products Company (1 from 2 patents)
4. Michigan Tub Swagers & Fabricators, Inc. (1 from 1 patent)
25 patents:
1. 7571960 - Hand grip for a seat assembly
2. D522776 - Hand grip for chair
3. 7014268 - Nesting chair with flexible back
4. D503573 - Chair back
5. D498603 - Chair
6. 6820934 - Chair having flexible back support
7. D497490 - Chair
8. D491383 - Chair
9. 6749259 - Ganging device for stackbar of stackable chair
10. 6679551 - Stackable chair with flexible back support
11. D485085 - Chair frame
12. 6471293 - Stackable chair with flexible back support
13. D461078 - Chair back
14. 6406094 - Combination stiffener and ganger bracket for chair
15. D455031 - Chair back