DL

Dennis D. Leatherman

PI Ppg Industries: 11 patents #84 of 1,216Top 7%
📍 Pittsburgh, PA: #714 of 7,570 inventorsTop 10%
🗺 Pennsylvania: #7,358 of 74,527 inventorsTop 10%
Overall (All Time): #474,779 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5114438 Abrasive article James J. McGinley, Daniel E. Adams, George A. Brons 1992-05-19
5047283 Electrically conductive article Kee Van Sin, James Russell 1991-09-10
5035886 Active agent delivery device Paritosh M. Chakrabarti, Harlan B. Johnson, Malcolm Korach, Robert R. Simmons 1991-07-30
5032450 Microporous material having a coating of hydrophobic polymer Thomas A. Rechlicz 1991-07-16
4959208 Active agent delivery device Paritosh M. Chakrabarti, John M. Denison, Harlan B. Johnson, Malcolm Korach, Linda P. Reinhardt +2 more 1990-09-25
4937115 Bacteria impermeable, gas permeable package 1990-06-26
4927802 Pressure-sensitive multi-part record unit 1990-05-22
4892779 Multilayer article of microporous and substantially nonporous materials Richard A. Schwarz 1990-01-09
4877679 Multilayer article of microporous and porous materials Thomas A. Rechlicz, Richard A. Schwarz 1989-10-31
4861644 Printed microporous material James Young 1989-08-29
4833172 Stretched microporous material Richard A. Schwarz, Thomas Leigh 1989-05-23