DJ

David Lawrence Johnson

KU Kent State University: 2 patents #72 of 294Top 25%
📍 Leawood, KS: #66 of 421 inventorsTop 20%
🗺 Kansas: #1,250 of 12,005 inventorsTop 15%
Overall (All Time): #654,320 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8220682 Hunting call holder 2012-07-17
8083028 Tray for tripod deer stand 2011-12-27
7681850 Tree ladder stand tray 2010-03-23
6141074 Four domain pixel for liquid crystalline light modulating device Philip J. Bos, Hemasiri Vithana, Jianmin Chen 2000-10-31
5825448 Reflective optically active diffractive device Philip J. Bos, Jianmin Chen, William E. Glenn, Carvel Holton, Brett Smith 1998-10-20
5638201 Optically active diffractive device Philip J. Bos, Jianmin Chen, Hemasiri Vithana, William E. Glenn, Carvel Holton +1 more 1997-06-10
D353578 Electrical plug and connection holder Donald Schumacher 1994-12-20
D329326 Beverage container John D. Sheehy, Danny William Johnson 1992-09-15