Average Co-Inventor Count = 3.83
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. Butler Manufacturing Company (2 from 113 patents)
2. Walker Systems, Inc. (1 from 28 patents)
3 patents:
1. 5467565 - Method and apparatus for improved activation of services in an office
2. 4857016 - Components for flexible wiring systems
3. 4443654 - Flush floor fitting