Robert C. Johnson

EA E.I. Du Pont De Nemours And: 1 patents #61 of 304Top 25%

📍 Montville, OH: #1 of 1 inventorsTop 100%

🗺 Ohio: #74 of 2,550 inventorsTop 3%

Overall (1982): #3,402 of 81,411Top 5%

Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4355640	Hygienic dispenser	—	1982-10-26
4350446	Method and apparatus for calorimetric differential thermal analysis	—	1982-09-21
4336133	Ethylene glycol antifreeze repurification apparatus	—	1982-06-22