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. Other (1 from 832,680 patents)
2. Iron City Sash & Door Company (1 from 1 patent)
2 patents:
1. 5193055 - Accounting system
2. 4972318 - Order entry and inventory control method