Company Filing History:

3 out of 47

Delphax Systems

patents

1 out of 1,012

National Research Council of Canada

4. 3 out of 832,680

Other

patents

Years Active: 1981-2004

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6700171 - Gate dielectric (2004-03-02),

2. 4745421 - Ionic print cartridge and printer (1988-05-17),

3. 4679060 - Ionic print cartridge and printer (1987-07-07),

4. 4619515 - Electrostatic printing apparatus and method (1986-10-28),

5. 4595277 - Toner supply control system (1986-06-17),

6. 4516847 - Electrostatic printing apparatus and method (1985-05-14),

7. 4514781 - Corona device (1985-04-30),

8. 4254424 - Electrostatic recording apparatus (1981-03-03),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Dolf Landheer

Location History:

Company Filing History:

Years Active: 1981-2004