GH

Gerald Halpert

Caltech: 3 patents #15 of 234Top 7%
UC University Of Southern California: 1 patents #18 of 73Top 25%
🗺 California: #1,357 of 26,763 inventorsTop 6%
Overall (2002): #16,157 of 266,432Top 7%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6444341 Polymer electrolyte membrane assembly for fuel cells Shiao-Ping S. Yen, Andrew Kindler, Andre H. Yavrouian 2002-09-03
6444343 Polymer electrolyte membranes for use in fuel cells G. K. Surya Prakash, George A. Olah, Marshall C. Smart, Sekharipuram R. Narayanan, Qungie J. Wang +1 more 2002-09-03
6420059 Direct methanol feed fuel cell and system Subbarao Surampudi, Harvey A. Frank, Sekharipuram R. Narayanan, William Chun, Barbara Jeffries-Nakamura +1 more 2002-07-16
6399235 Polymer electrolyte membrane assembly for fuel cells Shiao-Ping S. Yen, Andrew Kindler, Andre H. Yavrouian 2002-06-04