Joe L. Aldrich

KI Keystone International: 3 patents #12 of 50Top 25%

📍 Kingwood, TX: #275 of 726 inventorsTop 40%

🗺 Texas: #40,946 of 125,132 inventorsTop 35%

Overall (All Time): #1,677,869 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4589281	Material level detector and control	—	1986-05-20
4226118	Level detector	—	1980-10-07
4222267	Material level detector circuit	—	1980-09-16