
29 Patents
#1 in Essington, PA
#422 in Pennsylvania
#11,244 in US
#21,909 in the World
Piasecki Aircraft Corporation
20 inventors:
Essington, PA, United States of America
20 inventors (with patents filed for the assignee):
Frank N Piasecki (12 out of 13 patents)
Frederick W Piasecki (10 out of 20 patents)
John W Piasecki (6 out of 10 patents)
4. Luigi U Ricci Moretti (4 out of 4 patents)
5. Andrew S Greenjack (3 out of 3 patents)
6. Joseph F Horn (3 out of 4 patents)
7. Donald N Meyers (3 out of 3 patents)
8. Joseph B Kejha (2 out of 30 patents)
9. David Pitcairn (2 out of 5 patents)
10. Shane A Lewis (2 out of 2 patents)
11. Brian R Geiger (2 out of 6 patents)
12. Robert H Lewis (2 out of 2 patents)
13. Douglas R Johnson (2 out of 7 patents)
14. Dinesh Barwey (2 out of 2 patents)
15. George Luis Firpi (1 out of 2 patents)
29 patents:

#1 in Essington, PA
#422 in Pennsylvania
#11,244 in US
#21,909 in the World
20 inventors: