| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Textiles and paper | |
| #6 | Thermal processes | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Books | |
| #2 | Unspecified technologies | |
| #3 | Copy machines | |
| #4 | Containers for goods storage | |
| #5 | Tools for connecting or disengaging | |
| #6 | Kitchen equipment | |
| #7 | Steam generation | |
| #8 | Filing and indexing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frederick Hachmann | 12 |
| #2 | Hachmann Frederick | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1446501A | Manifold-sales-book cover and tissue book therefor | |
| US1446500A | Manifold sales book and cover | |
| US1421461A | Manifold sales book and cover therefor | |
| US1446499A | Book cover | |
| US1452802A | Metal book cover | |
| US1459506A | Sales-book cover | |
| US1476966A | Detachable hinge | |
| US1426632A | Sales-book cover | |
| US1418439A | Milk-bottle closure | |
| US1426631A | Sales-book cover | |
| US1492248A | Handhole cap | |
| US1391828A | Clamp | |
| CA216563A | Sales book cover | |
| CA220552A | Manifold sales book and covers |