Trademarks = 2

Forward Citations = 107

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6 inventors (with patents filed for the assignee):

Raymond T Cassidy (4 out of 5 patents)

Robert B Wilson (2 out of 3 patents)

Robert St Amand (2 out of 2 patents)

4. Edward Podosek (1 out of 19 patents)

5. Robert F Sheehan (1 out of 1 patent)

6. Theodore C Mizejewski (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. D261008 - Sheet lifter for a loose leaf ring binder (1981-09-29),

2. 4256411 - File folder with integral loose leaf binder rings (1981-03-17),

3. 4214839 - Loose leaf binder (1980-07-29),

4. 4181381 - Filing device (1980-01-01),

5. 4119200 - Tape cassette holder (1978-10-10),

6. 4073553 - Mag card storage device (1978-02-14),

7. 4049119 - Tape cassette filing unit (1977-09-20),

8. 4038768 - Viewer storing microfiche file binder (1977-08-02),

National Blank Book Company, Inc. is a leading provider of customized blank books, notebooks, and journals. With over 100 years of experience, we offer high-quality products for a wide range of industries and applications. Our commitment to innovation and customer satisfaction sets us apart in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

8 Patents

#3 in Holyoke, MA

#2,031 in Massachusetts

#34,831 in US

Holyoke, MA, United States of America

National Blank Book Company, Inc.