13 Utility and 2 Design Patents
#594 in Ann Arbor, MI
#5,819 in Michigan
#147,818 in US
#297,277 in the World
rank by utility patentsForward Citations = 390
Company Filing History:
Difco Laboratories Incorporated
Lebleu Corporation
Other
4. 2 out of 2
Piedmont Research & Development Corporation
Get your Inventor Badge Today