Title:
Compound swivel adapter
United States Patent 2820651
US Patent References:
/0135388.html
- - 0135388
/0671274.html
- - 0671274
/1064105.html
- - 1064105
/1138093.html
- - 1138093
Quick opening and closing check valve for aerating systems
- - 1588898
/0135388.html
- - 0135388
/0671274.html
- - 0671274
/1064105.html
- - 1064105
/1138093.html
- - 1138093
Quick opening and closing check valve for aerating systems
- - 1588898
Inventors:
Phillips, John W.
Publication Date:
01/21/1958
View Patent Images:
Export Citation:
Assignee:
Phillips, John W.
Primary Class:
Other Classes:
285/273, 403/64, 403/78, 251/149.700, 128/204.180
International Classes:
F16L27/087; F16L37/40; F16L27/00; F16L37/28
US Patent References:
Foreign References:
| DE346274C | ||||
| AT126726B |