Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749130 | System and method for teaching pre-keyboarding and keyboarding | Janice Z. Olsen, Eric B. Olsen, Robert Walnock, Hank Isaac, Ralph Sklarew | 2023-09-05 |
| 10839710 | System and method for teaching pre-keyboarding and keyboarding | Janice Z. Olsen, Eric B. Olsen, Robert Walnock, Hank Isaac, Ralph Sklarew | 2020-11-17 |
| 10269262 | System and method for teaching pre-keyboarding and keyboarding | Janice Z. Olsen, Eric B. Olsen, Robert Walnock, Hank Isaac, Ralph Sklarew | 2019-04-23 |
| 9171480 | Early learning tools and kits including manipulator devices for organized play | Janice Z. Olsen | 2015-10-27 |
| 8133056 | Pre-writing teaching aid and method to assist beginning writers in creating letters | Janice Z. Olsen | 2012-03-13 |
| 7850379 | Two-nib crayon and method of manufacture | Janice Z. Olsen | 2010-12-14 |
| 7458813 | Pre-writing teaching aid and method to assist beginning writers in creating letters | Janice Z. Olsen | 2008-12-02 |
| 6932613 | Pre-writing teaching aid and method to assist beginning writers in creating letters | Janice Z. Olsen | 2005-08-23 |