Average Co-Inventor Count = 1.50
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. T.s. Simms & Co. Limited (5 from 17 patents)
5 patents:
1. D282882 - Roller coater paint tray
2. 4541140 - Combination coupler and support bearing for a paint roller
3. 4509226 - Unitary paint tray
4. 4487565 - Apparatus for forming paint brush heads
5. D269650 - Paint roller frame