Royal Business Machines, Inc.

Calculating rank

USPTO Granted Patents = 8

Forward Citations = 61

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7 inventors (with patents filed for the assignee):

Thomas E Frechette (3 out of 4 patents)

Richard G Dolson (1 out of 17 patents)

William R Brophy (1 out of 2 patents)

4. Theodore N Madison (1 out of 8 patents)

5. William J Smith (1 out of 13 patents)

6. Roy H Price (1 out of 1 patent)

7. Billy J Doolittle (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 4408913 - Inked ribbon cartridge ribbon with supply spool drag device (1983-10-11),

2. 4210296 - Ribbon cartridge with integral anti spool rotation device (1980-07-01),

3. 4016966 - Typewriter jam release mechanism (1977-04-12),

4. 4011018 - Loose leaf binder (1977-03-08),

5. 3998118 - Roll fed copier (1976-12-21),

6. 3980171 - Ribbon cartridge (1976-09-14),

7. 3963109 - Single element typehead positioning mechanism (1976-06-15),

8. 3958886 - Looseleaf binder mechanism (1976-05-25),

Company Overview

Royal Business Machines, Inc. is a leading provider of office equipment solutions, specializing in high-quality printers, copiers, and multi-function devices. With over 20 years of experience in the industry, we offer top-notch products and reliable service to help businesses streamline their workflow and increase productivity. Our knowledgeable team is dedicated to providing personalized solutions to meet the unique needs of each client.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

8 Patents

#7 in Hartford, CT

#750 in Connecticut

#36,017 in US

Hartford, CT, United States of America