RH

Robert G. Hartman

ZA Zarn: 3 patents #3 of 6Top 50%
DI Dittler Brothers Incorporated: 1 patents #15 of 43Top 35%
Overall (All Time): #879,234 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D496624 Blow molded dock float 2004-09-28
6374763 Blow molded dock float 2002-04-23
D271818 Trash can cover 1983-12-13
D269643 Trash can and lid Clayton J. Ammondson 1983-07-05
D255865 Trash can cover Clayton J. Ammondson 1980-07-15
4197984 Composite envelope Thomas E. Hopkins, Robert P. Goldstein 1980-04-15