Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816276 | Self-opening and/or self-closing umbrella | Joachim Seidel | 1998-10-06 |
| 5211199 | Self-opening topless pocket umbrella | Joachim Seidel | 1993-05-18 |
| 5144970 | Self opening umbrella | Joachim Seidel | 1992-09-08 |
| 5144971 | Shortenable umbrella | Joachim Seidel | 1992-09-08 |
| 5135016 | Folding umbrella frame guide structure | — | 1992-08-04 |
| 5063952 | Self opening umbrella | Joachim Seidel | 1991-11-12 |
| D314663 | Clamp for the shaft of a static umbrella | Joachim Seidel | 1991-02-19 |
| 4800909 | Clamp for umbrella stick | Joachim Seidel | 1989-01-31 |
| 4682617 | Shortenable umbrella having a telescopic stick | Tilmann Schultes | 1987-07-28 |
| 4573487 | Umbrella frame with slider release mechanism | Tilmann Schultes | 1986-03-04 |