Anderka; Gerold
Patent Applications and Registrations
Patent applications and USPTO patent grants for Anderka; Gerold.The latest application filed is for "drawing pen exchanger for computer controlled drawing machines".
- Anderka; Gerold - Ellerbek DE
- Anderka; Gerold - Holsteinner Chaussee DE
| Patent | Date |
|---|---|
| Drawing pen exchanger for computer controlled drawing machines Grant 4,496,958 - Brandt , et al. January 29, 1 | 1985-01-29 |
| Automatic drafting apparatus Grant 4,459,602 - Anderka , et al. July 10, 1 | 1984-07-10 |
| Felt tip writing pen Grant 4,382,707 - Anderka May 10, 1 | 1983-05-10 |
| Writing apparatus Grant 4,356,632 - Anderka November 2, 1 | 1982-11-02 |
| Method for regulating ink flow in drafting pens Grant 4,188,634 - Anderka , et al. February 12, 1 | 1980-02-12 |
| Combined drafting pen holder and container Grant D253,180 - Anderka October 16, 1 | 1979-10-16 |
| Stylographic pen Grant D249,887 - Anderka , et al. October 10, 1 | 1978-10-10 |
| Blocking assembly for an automatic drafting device Grant 4,097,874 - Anderka , et al. June 27, 1 | 1978-06-27 |
| Protective screw cap for the writing point of a tube writing pen Grant 3,963,359 - Anderka June 15, 1 | 1976-06-15 |
| Drawing method and drawing instrument Grant 3,950,762 - Anderka April 13, 1 | 1976-04-13 |
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