HI

Hank Isaac

NL No Tears Learning: 2 patents #3 of 6Top 50%
Overall (All Time): #1,399,281 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11749130 System and method for teaching pre-keyboarding and keyboarding Janice Z. Olsen, Emily Knapton, Eric B. Olsen, Robert Walnock, Ralph Sklarew 2023-09-05
10839710 System and method for teaching pre-keyboarding and keyboarding Janice Z. Olsen, Emily Knapton, Eric B. Olsen, Robert Walnock, Ralph Sklarew 2020-11-17
10269262 System and method for teaching pre-keyboarding and keyboarding Janice Z. Olsen, Emily Knapton, Eric B. Olsen, Robert Walnock, Ralph Sklarew 2019-04-23