US Patent Class 136
BATTERIES: THERMOELECTRIC AND PHOTOELECTRIC-- Main Headings




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
Click for All Classes

Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services


CLASS NOTES
200  DF  THERMOELECTRIC {15}
243  DF  PHOTOELECTRIC {2}
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
290  DF  TESTING, CALIBRATING, TREATING (E.G., AGING, ETC.)
291  DF  APPLICATIONS {2}