Average Co-Inventor Count = 2.40
ph-index = 1
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. Tyco Industries, Inc. (1 from 30 patents)
2. M. H. Segan & Company, Inc. (1 from 4 patents)
2 patents:
1. 5106332 - Noise-making device incorporating 'whooping' plate
2. 5047749 - Passive remote photoelectric surveillance alarm with telescopic optics