Inventor · disambiguated record
Kathleen Keifer
Also filed as: KEIFER KATHLEEN
1 granted patent·2 pending applications·7 citations·filing 2011–2015
32Inventor score
Technology areasA63F
Files withHOYT DAVID L3
Top patents by PatentIndex Score
3 records- 0177US8556696B2System and method for puzzle solving utilizing letter and visual representationsHOYT DAVID L·Filed 2011·Granted Oct 15, 2013·7 cites·20 claims
- 0251US2014141852A1System and Method for Puzzle Solving Utilizing Letters and Visual RepresentationsHOYT DAVID L·Filed 2013·Application pending·0 cites
- 0342US2016038829A1System and Method for Puzzle Solving Utilizing Letters and Visual RepresentationsHOYT DAVID L·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →