31 Utility Patents
#20 in Bethlehem, PA
#1,362 in Pennsylvania
#43,953 in US
#84,563 in the World
Forward Citations = 597
Company Filing History:

Ppt Research, Inc.
Other
4. 2 out of 3,182

5. 2 out of 22

where one patent can have more than one assignee
Get your Inventor Badge Today