DN

Douglas C. Neckers

SL Spectra Group Limited: 4 patents #4 of 19Top 25%
📍 Bowling Green, OH: #1 of 13 inventorsTop 8%
🗺 Ohio: #162 of 4,576 inventorsTop 4%
Overall (1997): #8,488 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5677107 Production of three-dimensional objects 1997-10-14
5639802 Cationic polymerization Yubai Bi 1997-06-17
5623080 Fluorone and pyronin Y derivatives Jianmin Shi 1997-04-22
5606171 Method for determining thickness, degree of cure and other properties of a polymeric coating or film Jian Song, Afranio Torres-Filho, Wolter F. Jager, Zhijun Wang 1997-02-25