US PATENT SUBCLASS 438 / FOR 420
MAKING TRANSISTOR ONLY (437/909)
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
438 /
HD
SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
FOR 420
MAKING TRANSISTOR ONLY (437/909)
DEFINITION
Classification: 438/FOR.420
MAKING TRANSISTOR ONLY):
Foreign art collection limited to the construction of a transistor, by relatively nonconventional techniques.