Average Co-Inventor Count = 2.36
ph-index = 12
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. Zenith Radio Corporation (15 from 476 patents)
2. National Presto Industries, Inc. (15 from 185 patents)
3. Amana Refrigeration, Inc. (3 from 82 patents)
4. Rowe International Corporation (3 from 64 patents)
5. Bausch-lomb Incorporated (2 from 1,095 patents)
6. Zenith Electronics Corporation (1 from 948 patents)
39 patents:
1. 4491872 - Ultra-compact projection television receiver
2. D275029 - Automatic temperature sensing electric heater
3. D271132 - Portable radiant electric heater
4. D270354 - Pair of sunglasses
5. D270157 - Telephone handset
6. D268758 - Combined telephone and clock radio
7. D268417 - Pair of spectacles or similar article
8. D267851 - Combination microwave and convection oven
9. D267424 - Portable radiant electric heater
10. D266668 - Projection television receiver
11. D266423 - Projection television receiver
12. D262018 - Phonograph
13. D261594 - Egg cooker
14. D260765 - Phonograph
15. D256357 - Phonograph