Title:
Injection syringe
United States Patent 2578812


Inventors:
Paul, Kollsman
Application Number:
US79299147A
Publication Date:
12/18/1951
Filing Date:
12/20/1947
Assignee:
Paul, Kollsman
Primary Class:
Other Classes:
604/210, 604/231
International Classes:
A61M5/28; A61M5/315
View Patent Images:
US Patent References:
2410351Hypodermic syringe1946-10-29
2409656Hypodermic syringe1946-10-22
2408323Hypodermic syringe1946-09-24
2394687Syringe with adjustable piston construction1946-02-12
2388323Hypodermic syringe unit1945-11-06
1848711N/A1932-03-08
1817003Hypodermic syringe1931-08-04
1555282Hypodermic-syringe construction1925-09-29
1499952Ampul syringe1924-07-01
0509676N/A1893-11-28
0446125N/A1891-02-10
Foreign References:
CH51542A1911-09-01