RB

Roger David Butler

Canon: 2 patents #12,681 of 19,416Top 70%
HE Hunter Engineering: 1 patents #73 of 117Top 65%
LT Lake Technology.: 1 patents #5 of 9Top 60%
📍 Allentown, PA: #340 of 1,150 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,222,340 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8848984 Dynamic thresholds for document tamper detection Neil Yager, Junya Arakawa 2014-09-30
8181850 Anti-tamper using barcode degradation Alan Gordon Doubleday, Matthew Christian Duggan 2012-05-22
7068290 Authoring system Stephen Bennett, Richard J. Cartwright, Nigel Lloyd William Helyer 2006-06-27
6263322 Integrated automotive service system and method Tom Kirkevold, Mark Erdrich, Steven F. Johnson, Scott E. McIntyre, Robert Pfistor +6 more 2001-07-17