| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Bolts for doors or windows | |
| #3 | Wing fittings | |
| #4 | Unspecified technologies | |
| #5 | Locks | |
| #6 | Indexing scheme relating to hinges | |
| #7 | Hinges for doors or windows | |
| #8 | Vehicle servicing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Walter Falk Harold | 8 |
| #2 | Falk Harold W | 5 |
| #3 | Carl Olson | 5 |
| #4 | Praska George J | 4 |
| #5 | Wilson Daniel W | 2 |
| #6 | Peterson Gerald E | 2 |
| #7 | Irwin Justus C | 1 |
| #8 | Thorman Walther M A | 1 |
| #9 | Wright Thomas Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3955839A | Door latch | |
| US3884514A | Door latch mechanism | |
| US3658074A | Headlight washer apparatus | |
| US3078501A | Door closer | |
| US2915329A | Door latch and lock | |
| US2967728A | Door handle construction | |
| US3020581A | Door check | |
| US2830837A | Hardware for combination sash and screen | |
| US2841813A | Door check | |
| US2812533A | Door check | |
| US2760804A | Door latch | |
| US2726108A | Door latch | |
| US2668074A | Window fastener | |
| US2722443A | Door check | |
| US2668072A | Door latch | |
| US2539066A | Window fastener | |
| US2498535A | Window fastener | |
| US2410347A | Door latch | |
| US2311688A | Door latch | |
| US2311687A | Window stay |