| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 29 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Money sorting | |
| #5 | Time-interval measuring | |
| #6 | Safes | |
| #7 | Locks | |
| #8 | Gearing | |
| #9 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Mitchell A | 29 |
| Publication | Filing date | Title |
|---|---|---|
| US3462565A | Coin-controlled starter mechanism for cycle timers | |
| US3462566A | Impact starter for cycle timers | |
| US3434578A | Coin slide latch and caliper assembly | |
| US3434579A | Coin slide construction | |
| US3434580A | Manual actuator for service machines | |
| US3430747A | Shim deflecting means for coin chute | |
| US3354998A | Coin chute construction | |
| US3338366A | Coin testing and calibrating assembly | |
| US3343386A | Anti-probe device for key locks | |
| US3295650A | Coin-controlled actuator | |
| US3276835A | Money box construction | |
| US3270848A | Coin accumulator | |
| US3231059A | Coin-controlled actuator | |
| US3204743A | Adapter for coin slide | |
| US3204742A | Coin slide | |
| US3235054A | Coin chute mechanism | |
| US3200926A | Coin slide construction | |
| US3106278A | Adapter for coin slide | |
| US3075056A | Cost wheel | |
| US3090843A | Timer mechanism |