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Trademarks = 1

Forward Citations = 104

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7 inventors (with patents filed for the assignee):

Robert E Smith (7 out of 28 patents)

Mary P Zimmerman (7 out of 7 patents)

James T Palmer (3 out of 19 patents)

4. Mark Becker (2 out of 2 patents)

5. Eugene R Bissell (1 out of 6 patents)

6. David W Rasnick (1 out of 5 patents)

7. Kyujin Cho (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 6297277 - Cysteine protease inhibitors containing heterocyclic leaving groups (2001-10-02),

2. 6147188 - .alpha.- (1,3- or 1, 2- dicarbonylenol ether methyl ketones as cysteine (2000-11-14),

3. 5925772 - Cysteine protease inhibitors containing heterocyclic leaving groups (1999-07-20),

4. 5714484 - .alpha.-(1,3-dicarbonylenol ether) methyl ketones as cysteine protease (1998-02-03),

5. 5663380 - Cysteine protease inhibitors containing heterocyclic leaving groups (1997-09-02),

6. 5486623 - Cysteine protease inhibitors containing heterocyclic leaving groups (1996-01-23),

7. 5374623 - Cysteine protease inhibitors effective for in vivo use (1994-12-20),

8. 5344939 - Process for forming a fluoromethyl ketone (1994-09-06),

9. 5210272 - Process for forming a fluoromethyl ketone (1993-05-11),

10. 5101068 - Magnesium fluoromalonates (1992-03-31),

11. 4908309 - Method of detecting cysteine proteases (1990-03-13),

Prototek, Inc. is a leading rapid prototyping and precision machining company based in the United States. With over 30 years of experience, Prototek offers a wide range of services including CNC machining, sheet metal fabrication, 3D printing, and assembly. Their state-of-the-art facility and expert team ensure high-quality and quick turnaround for all projects.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#12 in Dublin, CA

#6,325 in California

#26,680 in US

#50,159 in the World

Dublin, CA, United States of America

Prototek, Inc.