| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Unspecified technologies | |
| #3 | Vehicle windows, roofs and doors | |
| #4 | Stringed musical instruments | |
| #5 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lucas James W | 10 |
| #2 | W Lucas James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3285126A | Desk level overhead projector | |
| US3266407A | Film loading and printing devices | |
| US3222102A | Vehicle cover | |
| US3187656A | Printing adapter for film-loading devices | |
| US3222981A | Two-element projection lens | |
| US3059529A | Portable projection adapter | |
| US3022698A | Uniform piano keyboard | |
| US2859660A | Projection device adapted to receive projected images | |
| CA817626A | Desk level overhead projector |