Company · CIK 793524

# RESEARCH FRONTIERS INC

| CIK | [793524](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000793524) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 6794 — Patent Owners & Lessors |
| Incorporated in | DE |
| Business address | NY |
| Listed | REFR (Nasdaq) |
| First annual or quarterly report | 1995-08-14 |

## Offerings

 6 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-223623 | Shelf Effective | 2018-03-13 | 2018-04-23 | 2 |
| 333-184785 | Shelf Effective | 2012-11-06 | 2014-05-08 | 3 |
| 333-179099 | Shelf Effective | 2012-01-19 | 2012-08-28 | 4 |
| 333-159093 | Shelf Effective | 2009-05-08 | 2009-05-28 | 2 |
| 333-133858 | Shelf Effective | 2006-05-05 | 2006-05-25 | 2 |
| 333-115052 | Shelf Dormant | 2004-04-30 | 2004-04-30 | 1 |

## Filings

 14

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2018-04-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/793524/999999999518000884/9999999995-18-000884-index.htm) Declared effective | 333-223623 | 9999999995-18-000884 |
| 2018-03-13 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000149315218003282/0001493152-18-003282-index.htm) Shelf registered | 333-223623 | 0001493152-18-003282 |
| 2014-05-08 | [424B5](https://www.sec.gov/Archives/edgar/data/793524/000120677414001564/0001206774-14-001564-index.htm) Shelf takedown | 333-184785 | 0001206774-14-001564 |
| 2012-12-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/793524/999999999512003657/9999999995-12-003657-index.htm) Declared effective | 333-184785 | 9999999995-12-003657 |
| 2012-11-06 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000120677412004478/0001206774-12-004478-index.htm) Shelf registered | 333-184785 | 0001206774-12-004478 |
| 2012-08-28 | [424B5](https://www.sec.gov/Archives/edgar/data/793524/000120677412003833/0001206774-12-003833-index.htm) Shelf takedown | 333-179099 | 0001206774-12-003833 |
| 2012-08-27 | [424B5](https://www.sec.gov/Archives/edgar/data/793524/000120677412003768/0001206774-12-003768-index.htm) Shelf takedown | 333-179099 | 0001206774-12-003768 |
| 2012-02-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/793524/999999999512000503/9999999995-12-000503-index.htm) Declared effective | 333-179099 | 9999999995-12-000503 |
| 2012-01-19 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000120677412000147/0001206774-12-000147-index.htm) Shelf registered | 333-179099 | 0001206774-12-000147 |
| 2009-05-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/793524/999999999509001537/9999999995-09-001537-index.htm) Declared effective | 333-159093 | 9999999995-09-001537 |
| 2009-05-08 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000079352409000008/0000793524-09-000008-index.htm) Shelf registered | 333-159093 | 0000793524-09-000008 |
| 2006-05-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/793524/999999999506000074/9999999995-06-000074-index.htm) Declared effective | 333-133858 | 9999999995-06-000074 |
| 2006-05-05 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000079352406000006/0000793524-06-000006-index.htm) Shelf registered | 333-133858 | 0000793524-06-000006 |
| 2004-04-30 | [S-3](https://www.sec.gov/Archives/edgar/data/793524/000079352404000003/0000793524-04-000003-index.htm) Shelf registered | 333-115052 | 0000793524-04-000003 |

[All filings of this company](https://equitycapital.markets/filings?cik=793524) · [CSV](https://equitycapital.markets/filings.csv?cik=793524)

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Source page: https://equitycapital.markets/company/793524 · Data: U.S. SEC EDGAR · CC BY 4.0