| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Locks | |
| #3 | Doors and windows | |
| #4 | Bolts for doors or windows | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maurice May | 6 |
| #2 | Clifton Jr Walter L | 4 |
| #3 | Clifton Walter L Jr | 3 |
| #4 | Clifton Jr Walter Leonard | 1 |
| #5 | Clifton Walter L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2961694A | Door handle assembly | |
| US2971229A | Snap-in glass setting construction | |
| US2883714A | Cart door bumper | |
| US2836451A | Door latch mechanism | |
| US2893773A | Latch and detent assembly | |
| US2837785A | Snap-in glass setting construction | |
| US2840868A | Threshold | |
| US2866237A | Weatherstrip mounting assembly | |
| US2882711A | Door and lock assembly | |
| US2805091A | Panic latch | |
| US2750218A | Flush bolt | |
| CA539529A | Flush bolt | |
| CA572745A | Door and lock assembly | |
| CA564945A | Door hinge | |
| CA564708A | Panic latch |