| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Consumer goods | |
| #4 | Machine tools | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Locks | |
| #3 | Unspecified technologies | |
| #4 | Buttons, pins and buckles | |
| #5 | Wing fittings | |
| #6 | Bolts for doors or windows | |
| #7 | Punching metal | |
| #8 | Metal wire processing | |
| #9 | Nails | |
| #10 | Harnesses |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hennicke Carl R | 7 |
| #2 | Schleicher William A | 6 |
| #3 | Hagelin Alfred B | 1 |
| #4 | Hennicke Charles A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2159895A | Catch mechanism | |
| US1915492A | Hood fastener | |
| US1957710A | Door operating mechanism | |
| US1771678A | Hood fastener | |
| US1771677A | Door latch | |
| US1661821A | Wear plate for straps | |
| US1702506A | Hood fastener | |
| US1702507A | Hood fastener | |
| US1640989A | Door control | |
| US1533812A | Bolt snap | |
| US1444559A | Process of making swivels | |
| US850793A | Wire buckle. | |
| US850792A | Wire buckle. | |
| US850795A | Buckle. | |
| US850794A | Buckle. |