Average Co-Inventor Count = 1.00
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. White Welding and Mfg., Inc. (2 from 8 patents)
2. Miner Enterprises, Inc. (1 from 142 patents)
3 patents:
1. 4068409 - Anti-racking means for doors
2. 4036149 - Fabricated hopper car outlet door frame
3. 4014138 - Anti-rack means for doors