JK

John S. Kreitzberg

EG Esco Group: 6 patents #28 of 186Top 20%
📍 Portland, OR: #2,461 of 9,213 inventorsTop 30%
🗺 Oregon: #6,381 of 28,073 inventorsTop 25%
Overall (All Time): #861,572 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8578637 Wear assembly for excavating equipment Charles G. Ollinger, IV, Chris Snyder 2013-11-12
8061064 Wear assembly for excavating equipment Charles G. Ollinger, IV, Chris Snyder 2011-11-22
6030143 Locking pin for excavating equipment 2000-02-29
5970636 Dump block Terry L. Briscoe 1999-10-26
4903420 Mining tooth point Herbert E. Jones, Terry L. Briscoe 1990-02-27
4633601 Excavating shovel Robert S. Fleck 1987-01-06