DK

David A. Krise

DI Digideal: 2 patents #1 of 3Top 35%
📍 Spokane, WA: #3 of 79 inventorsTop 4%
🗺 Washington: #488 of 3,602 inventorsTop 15%
Overall (2002): #69,016 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6419225 Slot-type gaming machine with variable drop zone symbols Randy D. Sines 2002-07-16
6419226 Drop slot game machine Randy D. Sines 2002-07-16