Average Co-Inventor Count = 1.20
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. Adams Rite Manufacturing Co. (2 from 45 patents)
2. Holmes-hally Industries (1 from 6 patents)
3 patents:
1. 4628636 - Garage door operator mechanism
2. D248444 - Panic operator for exit doors
3. 4083590 - Narrow stile panic exit actuator