Harold E. Bellis

EA E.I. Du Pont De Nemours And: 15 patents #410 of 8,010Top 6%

TI Texas Instruments: 9 patents #1,613 of 12,488Top 15%

DU Ducoa: 2 patents #2 of 11Top 20%

CO Conoco: 1 patents #310 of 638Top 50%

📍 Wilmington, DE: #132 of 3,182 inventorsTop 5%

🗺 Delaware: #252 of 7,163 inventorsTop 4%

Overall (All Time): #147,433 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4302598	Recycling catalyst in preparation of dimethylformamide from dimethylamine and carbon monoxide	—	1981-11-24
4281193	Process for preparing substituted formamides	—	1981-07-28