| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Neal Elmer E | 8 |
| #2 | Pomeroy Edward S | 2 |
| #3 | Kelley Francis Gilbert | 1 |
| #4 | Handcuff Company Peerless | 1 |
| #5 | Harold Wesson | 1 |
| #6 | Wesson Joseph H | 1 |
| #7 | Kelley Francis G | 1 |
| #8 | Wesson Harold | 1 |
| #9 | Murphy John J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB583610A | Improvements in and relating to handcuffs | |
| US2390885A | Handcuff | |
| GB372619A | Improvements in shackle | |
| US1872857A | Police officer's shackle | |
| US1851207A | Lock mechanism | |
| US1855687A | Lock mechanism | |
| US1821567A | Lock mechanism | |
| US1855686A | Lock mechanism | |
| US1845511A | Handcuff | |
| US1821566A | Handcuff | |
| US1579830A | Handcuff | |
| US1579333A | Handcuff-lock construction | |
| US1531451A | Handcuff-lock construction | |
| CA167852A | Handcuff | |
| CA437044A | Handcuffs | |
| CA321678A | Prisoner shackle |