Average Co-Inventor Count = 1.71
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. Desoto, Inc. (2 from 266 patents)
2. Midway Mfg. Co. (1 from 3 patents)
3 patents:
1. 4176844 - Multi-station pinball game
2. 3936907 - Molded hinge construction
3. 3932959 - Adjustable shutter assembly