Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 138/154
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
127,438Jun. 04, 1872A.P. StephensImprovement in the manufacture of cement pipespipes
946,919Jan. 18, 1910A.A. KochCorrugated culvert and process of producing same
1,841,300Jan. 12, 1932W.T. ScarrittTubing
1,869,224Jul. 26, 1932W.T. ScarrittReceptacle and method of making the samefire extinguishers
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP