DH

Donald E. Hershey

The Procter & Gamble: 4 patents #2,952 of 10,133Top 30%
Overall (All Time): #1,279,364 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6158617 Concentrated reduced dosage spray pump delivery system Mark Thomas Lund, Marjorie Mossman Peffly 2000-12-12
6050457 High pressure manually-actuated spray pump Christopher B. Arnold, Mark Thomas Lund 2000-04-18
5947340 Manually-actuated high pressure spray pump Christopher B. Arnold, Mark Thomas Lund 1999-09-07
5829640 Dispensing pump Eric Richard Bartsch 1998-11-03