DS

David S. Spence

ML Marathon Petroleum Company Lp: 1 patents #64 of 146Top 45%
SP Spectra-Physics: 1 patents #113 of 257Top 45%
📍 Findlay, OH: #118 of 333 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #1,713,794 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12306076 Systems, apparatuses, and methods for sample cylinder inspection, pressurization, and sample disposal Alex M. Markins, Heath B. Jones, Nicci R. Triche, John J. Langenfeld, Masaru F. Williams +2 more 2025-05-20
7292387 Methods and systems to enhance multiple wave mixing process Hanna J. Hoffman, Alan Petersen, James D. Kafka 2007-11-06