Average Co-Inventor Count = 1.60
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. Lohman Mfg. Co., Inc. (2 from 2 patents)
2. Kolpin Outdoors, Inc. (1 from 12 patents)
3. Lohman Manufacturing Company, Inc. (1 from 2 patents)
4 patents:
1. 6709309 - Game call
2. 5562521 - Turkey call
3. 5477753 - Blade sharpening device
4. 5375337 - Hand gun sighting device