| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Electrical machinery and energy | |
| #3 | Civil engineering | |
| #4 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | John Knell | 11 |
| #2 | Saaf Fritz A | 2 |
| #3 | Carr John E | 2 |
| #4 | Hallberg John E | 1 |
| #5 | Hinchman Ralph F | 1 |
| #6 | Shiek Daniel W | 1 |
| #7 | Rudolph Nathan H | 1 |
| #8 | Ogle Elmer L | 1 |
| #9 | Raquette Joseph G | 1 |
| #10 | Erickson Axel F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2513366A | Hinge construction | |
| US2424829A | Cable clamp | |
| US2498508A | Locker latch | |
| US2260806A | Clamp | |
| US2211929A | Outlet box | |
| US2092367A | Outlet box | |
| US2028509A | Electrical receptacle | |
| US1990756A | Shelving | |
| US2068988A | Outlet box | |
| US1976566A | Outlet box | |
| US2000851A | Outlet box | |
| US1982957A | Outlet box and hanger bar | |
| US2023083A | Outlet box and hanger bar | |
| US1892447A | Lock mechanism | |
| US1892446A | Latch mechanism | |
| US2000850A | Outlet box and cable clamp | |
| US1932468A | Lock | |
| US1856288A | Switch panel | |
| US1642501A | Latch and lock mechanism | |
| US1718878A | Outlet box |