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For the Inventor, By the Inventor

Morristown, NJ, United States of America

Keuffel & Esser Company


USPTO Granted Patents = 48

Forward Citations = 374

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23 inventors (with patents filed for the assignee):

goldMedal J Peter Kooi (12 out of 12 patents)

silverMedal Allister L Baker (9 out of 9 patents)

bronzeMedal Steven Levinos (6 out of 6 patents)

4.  Kent E Erickson (6 out of 9 patents)

5.  Stefan Orsen (3 out of 3 patents)

6.  Gerhardt C Rowe (2 out of 2 patents)

7.  Andrew Popoff (2 out of 2 patents)

8.  Daniel S Spechler (2 out of 2 patents)

9.  H Dell Foster (2 out of 3 patents)

10.  Mitch Marcovici (1 out of 2 patents)

11.  Hans-Dieter Frommeld (1 out of 1 patent)

12.  Herbert Rauhut (1 out of 1 patent)

13.  Stephen Vagyoczky (1 out of 1 patent)

14.  William A Neithardt, Jr (1 out of 1 patent)

15.  John F Henshaw (1 out of 2 patents)


48 patents:

1. 4782626 - Degradable agricultural mulch sheeting (1988-11-08),
2. 4419432 - Diazotype composition stabilization (1983-12-06),
3. 4411166 - Precise linear actuator (1983-10-25),
4. D268783 - Cardiac telemonitor transmitter housing (1983-04-26),
5. 4379620 - Light modulator employing electrooptic crystals (1983-04-12),
6. 4376159 - Method of preparing matte finish color-proofing surprints (1983-03-08),
7. 4376158 - Color-proofing method (1983-03-08),
8. 4359279 - Photographic processing apparatus with liquid application to both sides (1982-11-16),
9. 4350555 - Precision laminating press (1982-09-21),
10. D264128 - Patient monitor or the like (1982-04-27),
11. D263316 - Controlled lettering scriber (1982-03-09),
12. 4319197 - ECG Amplifier overload control (1982-03-09),
13. 4318617 - DC Shift error correction for electro-optical measuring system (1982-03-09),
14. D263153 - Controlled lettering scriber (1982-02-23),
15. D262757 - Display case (1982-01-26),
Keuffel & Esser Company, also known as K&E, is a leading manufacturer and distributor of precision instruments and drafting supplies. Founded in 1867, K&E has a rich history of providing innovative and reliable products to professionals in various industries such as engineering, architecture, surveying, and construction. With a commitment to quality and precision, K&E continues to be a trusted name in the industry, offering a wide range of tools and equipment designed to meet the needs of their customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

48 Patents

#7 in Morristown, NJ

#296 in New Jersey

#7,024 in US

#14,104 in the World

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Morristown, NJ, United States of America

Keuffel & Esser Company

Forward Citations = 374

23 inventors:

goldMedal J Peter Kooi (12 out of 12 patents)

silverMedal Allister L Baker (9 out of 9 patents)

bronzeMedal Steven Levinos (6 out of 6 patents)

4.  Kent E Erickson (6 out of 9 patents)

5.  Stefan Orsen (3 out of 3 patents)

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