Average Co-Inventor Count = 1.29
ph-index = 9
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. Polyjohn Enterprises Corporation (9 from 26 patents)
2. Sani-jon Mfg., Inc. (2 from 2 patents)
11 patents:
1. 4922557 - Outdoor toilet holding tank ventilation system
2. 4918765 - Portable toilet cabana
3. 4895400 - Slide latch for cabana doors
4. D304082 - Outdoor toilet cabana
5. 4831671 - Portable toilet cabana
6. 4793100 - Slide latch for cabana doors
7. 4761840 - Portable toilet cabana
8. 4637299 - Vent opening for portable building wall
9. 4577351 - Portable toilet cabana
10. D275520 - Portable toilet
11. 4446585 - Portable toilet