000 00527nam a2200169 a 4500
005 20240602103940.0
008 040528s19uu xx 00 eng d
010 _a64-18372
100 1 0 _aTuska, Clarence D.
245 1 3 _aAn introduction to patents :
_bfor inventors and engineers /
_cby Clarence D. Tuska.
260 _aNew York :
_bDover Publications,
_cc1964.
300 _axii, 192 p. : ill.
650 _aPatent laws and legislation.
650 _aInventions
_xPatents.
650 _aEngineering
_xPatents.
942 _2ddc
999 _c83301
_d83301