Title:
Open-cycle breathing apparatus
United States Patent 2882895
Inventors:
Roberto, Galeazzi
Publication Date:
04/21/1959
Export Citation:
Click for automatic bibliography generation
Assignee:
Roberto, Galeazzi
Primary Class:
128/200.29
Other Classes:
128/204.27
International Classes:
A62B7/04; A62B9/02; B63C11/14; B63C11/22
View Patent Images:
Download PDF 2882895        PDF help
US Patent References:
2485908Diving gear
2005072Breathing mask
Foreign References:
FR5115A
FR922872A
CH284946A
FR1078875A