US Patents of Elmer Gates
(Click on number to
read patent.)
|
Educational
Toy
|
|
| #741,903 |
|
Electric
Iron
|
|
| #1,636,359 |
|
Fire
Extinguisher
|
|
| #749,374 |
|
Liquid
Purification
|
|
| #1,045,830 |
| Looms | |
| #565,446 | |
| #565,447 |
| Mining | |
| #653,342 | |
| #653,343 | |
| #653,344 | |
| #653,345 | |
| #653,346 | |
| #662,409 | |
| #662,410 | |
| #662,411 | |
| #662,412 | |
| #662,413 | |
| #662,414 | |
| #729,753 | |
| #731,035 |
| X-ray | |
| # 653,383 |