John C. Romanowski

📍 Londonderry, NH: #89 of 312 inventorsTop 30%

🗺 New Hampshire: #3,397 of 12,181 inventorsTop 30%

Overall (All Time): #1,248,910 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7595104	NBC barrier adhesive tape structure	—	2009-09-29
5811359	Fire-retardant barrier structure	—	1998-09-22
5344697	Fire-retardant barrier structure	—	1994-09-06
4975316	Fire-retardant barrier structure	—	1990-12-04