| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 12 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Finland | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Norway | 1 | |
| #10 | Portugal | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Hand-held cutting tools | |
| #2 | Handles for hand implements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hahn Jerome Samuel | 8 |
| #2 | Upton Albert Bryan | 2 |
| #3 | Hahn Jerome S | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB0502099D0 | Product packaging | |
| GB8912284D0 | Scissors | |
| GB8818848D0 | Knife handles | |
| US4907344A | Knives | |
| GB8629866D0 | Carving forks | |
| GB8621699D0 | Knife | |
| GB8621541D0 | Knife | |
| GB8621542D0 | Knife | |
| GB8525762D0 | Knives | |
| GB8431233D0 | Cutting devices | |
| GB8431232D0 | Can opener |