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For the Inventor, By the Inventor

Fort Washington, PA, United States of America

Narco Scientific Industries, Inc.


USPTO Granted Patents = 17

Forward Citations = 158

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12 inventors (with patents filed for the assignee):

goldMedal Frank Patterson Smith, 2nd (5 out of 7 patents)

silverMedal John F Smith (4 out of 5 patents)

bronzeMedal Ronald Lee Powell (3 out of 3 patents)

4.  Boyd M McClaskey (3 out of 3 patents)

5.  Marvin E Jernigan (2 out of 2 patents)

6.  John M Ferrara (2 out of 2 patents)

7.  Frank P Smith, Ii (1 out of 3 patents)

8.  John H Blanz (1 out of 1 patent)

9.  McClaskey, Boyd M (1 out of 1 patent)

10.  John W Bail (1 out of 1 patent)

11.  Lorin P McRae (1 out of 1 patent)

12.  Mark M Kartchner (1 out of 1 patent)


17 patents:

1. 4233980 - Hemostatic compressive device (1980-11-18),
2. 4215346 - Navigation unit having time shared operation (1980-07-29),
3. 4059348 - Objective plotting of visual fields by eye movement monitoring (1977-11-22),
4. 4044309 - Automatic squelch circuit with hysteresis (1977-08-23),
5. 4025923 - Synchronous filter for VOR systems (1977-05-24),
6. 4011503 - Apparatus for measuring the phase relation of two alternating current (1977-03-08),
7. 4001824 - DME timing apparatus and methods (1977-01-04),
8. 3998410 - Apparatus and method for detecting a digital change in data (1976-12-21),
9. 3987988 - Ground speed calculation for digital DME (1976-10-26),
10. 3984156 - Objective plotting of visual fields by eye movement monitoring (1976-10-05),
11. 3983557 - Digital DME with compensation for ground station intermittencies (1976-09-28),
12. 3968383 - Noise limiter (1976-07-06),
13. 3951527 - Target image projector (1976-04-20),
14. 3949305 - Digital synthesizer (1976-04-06),
15. 3949304 - Fractional megahertz counter for improved digital synthesizer (1976-04-06),
Company Overview
Narco Scientific Industries, Inc. is a specialized firm based in Fort Washington, PA, focusing on the development and manufacturing of advanced scientific instruments and analytical solutions. The company is dedicated to providing innovative technologies that support various sectors, including pharmaceuticals, environmental monitoring, and industrial applications. With a commitment to quality and precision, Narco Scientific Industries aims to enhance research capabilities and operational efficiency through its cutting-edge products and services.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

17 Patents

#7 in Fort Washington, PA

#688 in Pennsylvania

#18,894 in US

#35,918 in the World

Fort Washington, PA (US)
Fort Washington, PA, United States of America

Narco Scientific Industries, Inc.

Forward Citations = 158

12 inventors:

goldMedal Frank Patterson Smith, 2nd (5 out of 7 patents)

silverMedal John F Smith (4 out of 5 patents)

bronzeMedal Ronald Lee Powell (3 out of 3 patents)

4.  Boyd M McClaskey (3 out of 3 patents)

5.  Marvin E Jernigan (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Narco Scientific Industries, Inc.. Retrieved from https://idiyas.com/company/narco-scientific-industries

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]
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