Average Co-Inventor Count = 1.29
ph-index = 3
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. Other (3 from 832,961 patents)
3 patents:
1. 6629245 - Apparatus for stimulating keypad entry of an access code into a keypad type security system
2. 4198054 - Automatic golf ball teeing device
3. 4146232 - Automatic golf ball teeing device