| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vlchek Frank J | 15 |
| #2 | Radde Arthur H | 1 |
| #3 | Koster Edward C | 1 |
| #4 | Joseh Kneier | 1 |
| #5 | Bartenstein John J | 1 |
| #6 | Martin Albert L | 1 |
| #7 | Antonin Placek | 1 |
| #8 | Wattleworth John C | 1 |
| #9 | Joseph Kneier | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2534989A | Hinge for plastic receptacles | |
| US1954159A | Drop hammer | |
| US1954157A | Drop hammer | |
| US1809805A | Drop hammer | |
| US1956885A | Drop hammer | |
| US1954156A | Drop hammer | |
| US1841688A | Tool | |
| US1954155A | Drop hammer | |
| US1868476A | Drop hammer | |
| US1816598A | Merchandise display box | |
| US1877466A | Wrench set unit | |
| US1866827A | Manufacture of swaged and tempered articles | |
| US1750011A | Socket-wrench set | |
| US1875815A | Wrench set unit | |
| US1808190A | Wrench set unit | |
| US1838470A | Manufacture of swaged and tempered articles | |
| US1433861A | Tool-quenching tank and the like | |
| US1168844A | Wrench. | |
| CA332738A | Drop hammer | |
| CA332739A | Drop hammer |