| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Optics | |
| #3 | Control | |
| #4 | Medical technology | |
| #5 | Furniture and games | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Measuring length, angles and areas | |
| #2 | Optical systems | |
| #3 | Registering devices | |
| #4 | Writing or drawing tools | |
| #5 | Diagnosis and surgery | |
| #6 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kempf Paul S | 10 |
| #2 | S Kempf Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5459605A | 3-D endoscope apparatus | |
| US4938579A | Side-viewing mirror device | |
| US4623223A | Stereo image display using a concave mirror and two contiguous reflecting mirrors | |
| US4458993A | Fingerprint comparator | |
| US4379647A | Optical comparator and inspection apparatus | |
| US4232968A | Optical comparator with 3-D image | |
| US4168912A | Optical comparator | |
| US4105340A | Optical comparator and inspection apparatus | |
| US3888593A | Optical comparator and inspection apparatus | |
| US2455066A | Garment hanger |