Inventor

GLAESMANN OTTO-ERNST

2 patents

Patents

2 patents

US4362440ADec 7, 1982

Tubular lost borehole closure

BERGWERKSVERBAND GMBH30 citations88

US4146094AMar 27, 1979

Tubular one-way closure for injecting a material into a hole

BERGWERKSVERBAND GMBH5 citations53