TY  - GEN
T1  - Having regard to what was known and used (Part I) /
AU  - Gratwick, Stephen,
VL  - 1973 February pages 1-11
ID  - 9368
KW  - Patents.
KW  - PATENTS : PATENTABILITY : PRIOR PUBLIC USE (PUBLIC PROPERTY)
TI  - Having regard to what was known and used (Part I) /
ER  -