Average Co-Inventor Count = 2.00
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. Lockheed Martin Corporation (1 from 5,267 patents)
2. Lockheed Martin Tactical Systems, Inc. (1 from 7 patents)
2 patents:
1. 5749177 - Pistol range backstop
2. 5655775 - Rifle range backstop