For the Inventor, By the Inventor

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New York, NY, United States of America

Amstar Corporation

USPTO Granted Patents = 14

Trademarks = 10

Forward Citations = 361

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19 inventors (with patents filed for the assignee):

Anthony B Rizzuto (5 out of 7 patents)

Andy C Chen (4 out of 4 patents)

Richard David Skole (3 out of 3 patents)

4. Charles P Graham (3 out of 3 patents)

5. Morris Dmitrovsky (2 out of 2 patents)

6. Antoine H Kokke (2 out of 2 patents)

7. Henry Harry Newman (2 out of 2 patents)

8. Jacqueline Noailles-Benito Hogu (2 out of 2 patents)

9. Vincent Anthony Toscano (2 out of 2 patents)

10. Oren V Bonney (2 out of 2 patents)

11. Clifford E Lang, Jr (2 out of 2 patents)

12. Thomas W Dixon (1 out of 8 patents)

13. Paul H Blanchard (1 out of 1 patent)

14. Sanford J Drescher (1 out of 1 patent)

15. Frederick G Eis (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 4517572 - System for reducing blocking in an antenna switching matrix (1985-05-14),

2. 4423085 - Cocrystallized sugar-nut product (1983-12-27),

3. 4362757 - Crystallized, readily water dispersible sugar product containing heat (1982-12-07),

4. 4338350 - Crystallized, readily water-dispersible sugar product (1982-07-06),

5. 4314985 - Recovery of magnesium as magnesium hydroxide from sea water (1982-02-09),

6. 4278541 - Separator employing an annular vertical feedwell with associated (1981-07-14),

7. 4265770 - Separation of suspended solids from phosphate tailings (1981-05-05),

8. 4159210 - Maple sugar product and method of preparing and using same (1979-06-26),

9. 4154655 - Method for the production of cephalosporin C (1979-05-15),

10. 4062728 - Starch thinning process (1977-12-13),

11. 4056364 - Two stage continuous crystallization apparatus with controls (1977-11-01),

12. 4003791 - Material useful for and method of employing the same for the growing of (1977-01-18),

13. 3981739 - Continuous crystallization (1976-09-21),

14. 3950225 - Medium, component thereof and process employing same for the production (1976-04-13),

Amstar Corporation is a real estate investment company with a focus on acquiring, managing, and developing properties across the United States. With a portfolio that spans residential, commercial, and hospitality sectors, Amstar Corporation aims to create value through strategic investments and innovative development projects.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#530 in New York, NY

#1,295 in New York

#22,289 in US

#42,168 in the World

New York, NY, United States of America

Amstar Corporation

Forward Citations = 361

19 inventors:

Anthony B Rizzuto (5 out of 7 patents)

Andy C Chen (4 out of 4 patents)

Richard David Skole (3 out of 3 patents)

4. Charles P Graham (3 out of 3 patents)

5. Morris Dmitrovsky (2 out of 2 patents)

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