| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | China | 2 | |
| #3 | Czechoslovakia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Finland | 2 | |
| #6 | Hungary | 2 | |
| #7 | German Democratic Republic | 1 | |
| #8 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Audio-visual technology | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Containers for goods storage | |
| #3 | Advertising | |
| #4 | Nails | |
| #5 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shafirkin David Isaakovich | 7 |
| #2 | Shafirkin David I | 3 |
| #3 | Safirkin David Isaakovich | 1 |
| #4 | Shafirkin D I | 1 |
| #5 | Safirkin David Isakovic Ing | 1 |
| #6 | Shafirkin David Issakovic Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| HU896460D0 | Device for locking and sealing objects | |
| DK505789D0 | Code installation for laser aggregates |