Note: You can find the most up-to-date version of this study here. This is the archived copy, completed in May 2006.

esmay products

Patent Data

Patents Owned:

Patent NumberIssue DateFile YearTitleAssigneesInventorsClass
US40797881978-03-211976Hand-pushable tilling deviceesmay products, inc.(bristol,in)
carl b. derr
A01B 035/02

 
 

© 2006 Enovent