Average Co-Inventor Count = 1.46
ph-index = 12
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. Spalding & Evenflo Companies, Inc. (5 from 70 patents)
2. Lisco, Inc. (4 from 303 patents)
3. Questor Corporation (2 from 83 patents)
4. Other (1 from 832,680 patents)
5. Spalding Sports Worldwide, Inc. (1 from 220 patents)
6. Spalidng Sports Worldwide, Inc. (1 from 1 patent)
14 patents:
1. D443665 - Golf club head having rear cavity plate
2. 6074309 - Laminated lightweight inserts for golf club heads
3. 5827131 - Laminated lightweight inserts for golf club heads
4. 5549297 - Golf club iron with vibration dampening ramp bar
5. 5518242 - Crownless golf club
6. 5429354 - Crownless golf club
7. 5419559 - Metal wood with sound dampener bar
8. D318510 - Golf club head
9. D318511 - Golf club head
10. D316583 - Golf club head
11. 4762322 - Golf club
12. D295207 - Golf club grip
13. D270852 - Golf putter head
14. D269101 - Golf club iron head