| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machine tools | |
| #3 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Kitchen equipment | |
| #2 | Explosiveness missiles | |
| #3 | Hand-held cutting tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spencer William L | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA2640783A1 | Coffee maker brewbasket with carafe locking mechanism | |
| US2006011068A1 | Coffee maker and method of use | |
| CA2404188A1 | In-wall coffee maker | |
| US844625A | Foot-power cane-knife. |