| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walstrom Axel M | 9 |
| #2 | Wehrle Leonard J | 2 |
| #3 | Schmidt Robert E | 1 |
| #4 | Schmidt Arthur C | 1 |
| #5 | Pagel Ernest C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2200900A | Container construction | |
| US1913687A | Container | |
| US1913692A | Package construction | |
| US1791837A | Fastener for tub covers | |
| US1717901A | Stave-finishing machine | |
| US1834660A | Fastener for container covers | |
| US1782157A | Cover and process of making | |
| US1719250A | Machine for making metal hoops | |
| US1605628A | Metal hoop | |
| CA309269A | Machine for making metal hoops | |
| CA307901A | Stave finishing machine | |
| CA318459A | Container cover | |
| CA275475A | Metal hoop |