Average Co-Inventor Count = 1.10
ph-index = 2
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. Litton Business Systems, Inc. (3 from 70 patents)
2. Questor Corporation (2 from 83 patents)
3. Milton Bradley International, Inc. (1 from 18 patents)
4. Royal Business Machines, Inc. (1 from 8 patents)
8 patents:
1. 4642710 - Animated display controlled by an audio device
2. D254924 - Center shaft putter head
3. D254925 - Off set putter head
4. D253778 - Golf club head
5. 4016966 - Typewriter jam release mechanism
6. 3973663 - Typewriter power roll construction and mounting
7. 3949854 - Typewriter carriage construction
8. 3949855 - Typewriter carriage jam precluding and action jam release mechanisms