DK

Douglas L. Krivanek

HI Hallmark Cards, Incorporated: 6 patents #15 of 288Top 6%
📍 Lenexa, KS: #75 of 521 inventorsTop 15%
🗺 Kansas: #1,741 of 12,005 inventorsTop 15%
Overall (All Time): #819,683 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11499706 Apparatus for producing light and sound Jason Blake Penrod, Ivan B. Helmrich, Christopher J. Shields 2022-11-15
10352553 Apparatus for producing light and sound Jason Blake Penrod, Ivan B. Helmirch, Christopher J. Shields 2019-07-16
9144258 Realistically opening artificial flower Thomas A. Wallen, Gretchen G. Finch, Pamela Jean Kelley, David Morgan Lewis, Jamie Lee Heath 2015-09-29
9145236 Article with a latching mechanism Rebecca Webb Wyko, Orlanda Lacy, John DeCastro 2015-09-29
9039483 Print-level sensing for interactive play with a printed image Teddi Norman Hernandez, John Nathan Dawbarn, Terrence Michael Turner 2015-05-26
D616929 Video display greeting card Kari Walberg, Orlanda Lacy 2010-06-01