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. Marathon Manufacturing Company (3 from 16 patents)
3 patents:
1. 4507831 - Spring clip for tilter worm shaft
2. 4488588 - Cord lock for venetian blind
3. 4463791 - Venetian blind cord lock for up to eight lift cords