Title:
Safeguarded electric firing initiating devices
United States Patent 2818020
US Patent References:
Electric blasting initiator
- - 2086527


Inventors:
Burklund, Glenn A.
Publication Date:
12/31/1957
View Patent Images:
Download PDF 2818020 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Burklund, Glenn A.
Primary Class:
102/202.100
International Classes:
F42B3/18; F42B3/00