DE

David H. Ellenberger

MC Mine Safety Appliances Company: 5 patents #17 of 243Top 7%
📍 Butler, PA: #50 of 347 inventorsTop 15%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,044,929 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6444862 Synthesis and isolation of metal alkoxides Elizabeth Burkhardt, Joseph A. Corella, II, Christopher P. Sutton 2002-09-03
5886229 Method of synthesis of alkali metal trisubstituted borohydride reagents Joseph A. Corella, II, Joerg Bruening 1999-03-23
5420322 Preparation of alkali-metal hexamethydisilazanes Kuen-Wai Chiu, Joseph M. Barendt 1995-05-30
5078906 Strong base reagent Kuen-Wai Chiu, Mary H. Staruch 1992-01-07
4910337 Process for the preparation of .alpha.-arylalkanoic acids Kuen-Wai Chiu, Mary H. Staruch 1990-03-20