| |
 |
Marvin Keith Patents |
|
Inventor: Keith; Marvin
Address: Evanston, IL
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5499729 |
Infant feeding bottle including pressure equalizing diaphragm |
March 19, 1996 |
| An infant feeding bottle that is nipple-equipped at one end that is further equipped with a pressure equalizing apertured diaphragm member at the opposite end. The diaphragm member allows room air to pass therethrough into the air space in the bottle when the bottle is inclined and liqui |
|
|
|
