| |
|
Frank Piasecki
|
93753 |
| |
|
William T. Piper
|
93755 |
| |
|
Hand-cranked submarines
|
129171 |
| |
|
Harold Frederick Pitcairn
|
93757 |
| |
|
Tom Poberezny
|
93760 |
| |
|
Wiley Post
|
93762 |
| |
|
Elwood Richard Quesada
|
93764 |
| |
|
Albert Cushing Read
|
93768 |
| |
|
Robert Campbell Reeve
|
93770 |
| |
|
Holden C. Richardson
|
93776 |