Lloyd F. Copenhaver

CA Carrier: 3 patents #673 of 2,507Top 30%

📍 Indianapolis, IN: #1,702 of 5,011 inventorsTop 35%

🗺 Indiana: #10,625 of 33,936 inventorsTop 35%

Overall (All Time): #1,683,630 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4417869	Flame rollout condition safety device for a combustion system	—	1983-11-29
4403599	Spillage damper for a combustion system	—	1983-09-13
4403942	Self-checking safety switch control circuit	—	1983-09-13