For the Inventor, By the Inventor

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West Chester, PA, United States of America

Commodore Business Machines, Inc.

USPTO Granted Patents = 17

Forward Citations = 175

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14 inventors (with patents filed for the assignee):

James W Redfield (4 out of 5 patents)

Albert J Charpentier (3 out of 15 patents)

David W DiOrio (3 out of 3 patents)

4. William F Gardei (2 out of 2 patents)

5. Robert J Raible (2 out of 2 patents)

6. Hedley C Davis (2 out of 4 patents)

7. Ira L Velinsky (2 out of 2 patents)

8. Charles E Hauck, Jr (1 out of 2 patents)

9. Bruce F Ahrens (1 out of 1 patent)

10. Chaoynan E Yang (1 out of 1 patent)

11. James W Redfield (1 out of 1 patent)

12. Jonathan S Radovsky (1 out of 1 patent)

13. Robert J Yannes (1 out of 1 patent)

14. David W Di Orio (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 5088035 - System for accelerating execution of program instructions by a (1992-02-11),

2. 4989174 - Fast gate and adder for microprocessor ALU (1991-01-29),

3. 4886941 - Circuit for interfacing mouse input device to computer system (1989-12-12),

4. 4851826 - Computer video demultiplexer (1989-07-25),

5. 4813671 - Raster monitor for video game displays (1989-03-21),

6. 4761736 - Memory management unit for addressing an expanded memory in groups of (1988-08-02),

7. 4686487 - Current mirror amplifier (1987-08-11),

8. 4677890 - Sound interface circuit (1987-07-07),

9. 4599528 - Self booting logical or circuit (1986-07-08),

10. 4572506 - Raster line comparator circuit for video game (1986-02-25),

11. 4570085 - Self booting logical AND circuit (1986-02-11),

12. 4569019 - Video sound and system control circuit (1986-02-04),

13. 4562365 - Clocked self booting logical 'EXCLUSIVE OR' circuit (1985-12-31),

14. 4561659 - Display logic circuit for multiple object priority (1985-12-31),

15. D281503 - Printer (1985-11-26),

Commodore Business Machines, Inc. was a pioneering American technology company that produced a range of electronics and computer systems. They are best known for their Commodore 64, which was one of the best-selling personal computer models of all time. The company was founded in 1954 and went bankrupt in 1994.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#10 in West Chester, PA

#682 in Pennsylvania

#18,330 in US

#34,858 in the World

West Chester, PA, United States of America

Commodore Business Machines, Inc.

Forward Citations = 175

14 inventors:

James W Redfield (4 out of 5 patents)

Albert J Charpentier (3 out of 15 patents)

David W DiOrio (3 out of 3 patents)

4. William F Gardei (2 out of 2 patents)

5. Robert J Raible (2 out of 2 patents)

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