Charles N. Keppler

📍 Ventura, CA: #10 of 45 inventorsTop 25%

🗺 California: #2,144 of 10,592 inventorsTop 25%

Overall (1989): #126,239 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4797656	Appliance paging system	—	1989-01-10