DC

Donald N. Coupard

UN Unknown: 2 patents #37 of 1,640Top 3%
📍 Bethesda, MD: #10 of 81 inventorsTop 15%
🗺 Maryland: #78 of 1,164 inventorsTop 7%
Overall (1989): #28,924 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4841692 Shielded access apparatus for use in an enclosure for preventing propagation of electromagnetic energy into or out of the enclosure Andrew K. Chang, John E. Fuller, Angelo J. Mauriello 1989-06-27
4823523 Electromagnetic radiation shielding enclosure and shielding components Andrew K. Chang, John E. Fuller, Angelo J. Mauriello 1989-04-25