Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5550722 | Electric lamp | Lambertus Bouwman, Cornelis Johannes Janson | 1996-08-27 |
| D357546 | Compact fluorescent lamp | — | 1995-04-18 |
| 4777405 | Low-pressure lamp having a plurality of tubes and a cylindrical tube support | Patrick Cyriel Van De Voorde | 1988-10-11 |
| 4344228 | Shaving apparatus | Freddy Haes, Cornelis M. Reynhout, Ebbe Boiten | 1982-08-17 |
| 4279253 | Epilation apparatus | Freddy Haes, Cornelis M. Reijnhout | 1981-07-21 |