HM

Harold G. Middleton

📍 Seattle, WA: #8,251 of 21,776 inventorsTop 40%
🗺 Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,678,269 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4605922 Intrusion detector Daniel A. Blattman 1986-08-12
4603582 Inertial dynamometer system and method for measuring and indicating gross horsepower 1986-08-05
4411234 Fuel system for internal combustion engine 1983-10-25