DC

David J. Calkins

SH Sustain Holdings: 1 patents #4 of 4Top 100%
📍 Nashville, TN: #59 of 289 inventorsTop 25%
🗺 Tennessee: #487 of 1,835 inventorsTop 30%
Overall (2025): #415,253 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12419936 Collagen peptide-based medicament compositions and devices and methods of production and use thereof Richard Eric SCHLUMPF, Robert Baratta, Shawn A. Delorey 2025-09-23