| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Medical technology | |
| #3 | Packaging and shipping | |
| #4 | Agriculture | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Office furniture | |
| #2 | Animal care | |
| #3 | Electrotherapy | |
| #4 | Object sterilising | |
| #5 | Containers for goods storage | |
| #6 | Devices for public amusement | |
| #7 | Chairs and beds | |
| #8 | Nails | |
| #9 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lutzke William C | 6 |
| #2 | Blink Robert O | 6 |
| #3 | Schier Robert W | 4 |
| #4 | Holz Frederick C | 3 |
| #5 | Mitchell William | 2 |
| #6 | Peter Blink | 2 |
| #7 | Otto Mitchell | 1 |
| #8 | Albert Mitchell | 1 |
| #9 | William Mitchell | 1 |
| #10 | Holtz Frederick C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4120249A | Folding table equipped with improved latch mechanism that holds table top sections coplanar and prevents accidental injury during unfolding | |
| US3590753A | Table corner assemblies | |
| US3557720A | Portable folding tables | |
| US2569772A | Germicidal lamp mounting and reflector | |
| US2051494A | Air-cooled seat cushion | |
| US1854173A | Revolving swing construction | |
| US1821563A | Carrier | |
| US1365934A | Stock-watering bowl | |
| US1241238A | Carrier. | |
| US1177794A | Stanchion. | |
| CA893598A | Portable folding tables | |
| CA893049A | Table corner assemblies |