For the Inventor, By the Inventor

Enter assignee name

Skokie, IL, United States of America

At&t Teletype Corporation

USPTO Granted Patents = 30

Forward Citations = 431

Loading Chart...

Loading Chart...

41 inventors (with patents filed for the assignee):

Donald M Genaro (6 out of 115 patents)

Alfred Z Purzycki (4 out of 6 patents)

Richard E LaSpesa (4 out of 7 patents)

4. Alvin R Tilley (4 out of 47 patents)

5. Joseph G Murglin (3 out of 3 patents)

6. Gary B Ollendick (2 out of 8 patents)

7. Werner Jung (2 out of 6 patents)

8. Norman A Jacobs (2 out of 4 patents)

9. Eugene K Sokolowski (2 out of 10 patents)

10. Kenneth F Lewinski (2 out of 4 patents)

11. Kenneth R Kirpluk (2 out of 2 patents)

12. David B Durkee (2 out of 2 patents)

13. Chris G Johnson (2 out of 20 patents)

14. Ramon M Cardona (2 out of 3 patents)

15. Robert M Wentzel (2 out of 3 patents)

Core Competencies:

Multifunction Communication Controller

Silicon Nozzle Structures

Printed Circuit Board Housing

40 Column Printer Cabinet

IC Insertion Tool

Ink Jet Nozzle Adjustment

Voice Data Communications

Wire Matrix Print Head

Biphase Signal Receiver

Adjustable Time Delay Circuit

Thermal Print Head

Paper Handling Apparatus

30 patents: Sort by Forward Citations

1. D295976 - Multifunction communication controller (1988-05-31),

2. 4733823 - Silicon nozzle structures and method of manufacture (1988-03-29),

3. D294579 - Housing for a printed circuit board (1988-03-08),

4. D294357 - 40 column printer cabinet (1988-02-23),

5. 4723361 - IC insertion/extraction tool (1988-02-09),

6. 4704675 - Method for velocity adjustment of ink jet nozzles in a nozzle array (1987-11-03),

7. D289762 - Voice data communications terminal (1987-05-12),

8. 4643598 - Print head for wire matrix printer (1987-02-17),

9. 4637037 - Biphase signal receiver (1987-01-13),

10. 4618787 - Adjustable time delay circuit (1986-10-21),

11. D285576 - Printer ribbon cartridge (1986-09-09),

12. 4605323 - Dual quality wire matrix print head (1986-08-12),

13. 4600929 - Apparatus for handling paper in a printer (1986-07-15),

14. 4582439 - Printer ribbon cartridge (1986-04-15),

15. 4575859 - Receiver for digital signals (1986-03-11),

Company Overview

AT&T Teletype Corporation, based in Skokie, Illinois, specializes in the development and manufacturing of communication equipment, particularly focusing on teletypewriters and related technologies. The company has a rich history in facilitating data transmission and enhancing communication systems, contributing significantly to advancements in telecommunication. Its expertise spans various domains, including telecommunications infrastructure and information technology, positioning it as a key player in the evolution of communication solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

30 Patents

#9 in Skokie, IL

#608 in Illinois

#11,272 in US

#21,888 in the World

Skokie, IL, United States of America

At&t Teletype Corporation

Forward Citations = 431

41 inventors:

Donald M Genaro (6 out of 115 patents)

Alfred Z Purzycki (4 out of 6 patents)

Richard E LaSpesa (4 out of 7 patents)

4. Alvin R Tilley (4 out of 47 patents)

5. Joseph G Murglin (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: At&t Teletype Corporation. Retrieved from https://idiyas.com/company/at-and-t-teletype

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…