CH

Christopher John Helal

Pfizer: 1 patents #35 of 266Top 15%
Overall (2025): #427,792 of 469,880Top 95%
1
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12398119 Piperazine azaspiro derivatives Lei Zhang, Erik Alphie LaChapelle, Christopher Ryan Butler, Natasha Mariam Kablaoui, Michael Aaron Brodney +3 more 2025-08-26