Average Co-Inventor Count = 1.71
ph-index = 4
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. National Manufacturing Co. (4 from 40 patents)
4 patents:
1. 5318264 - Infinitely adjustable shelving and method
2. 5257839 - Tension latch assembly
3. 4486917 - Door closer with a compressible braking sleeve
4. 4483044 - Pneumatic door closer having resilient braking sleeve and cooperating