# DETECTION SYSTEMS INC — DFAN14A

DETECTION SYSTEMS INC of FAIRPORT, NY filed a DFAN14A with the SEC on 2000-11-29. Industry: Communications Equipment, NEC.

## Filing

- Filed: 2000-11-29
- Form: DFAN14A
- Accession: 0001005477-00-008222
- Registrant: DETECTION SYSTEMS INC
- CIK: 0000028365
- Industry (SIC): Communications Equipment, NEC (3669)
- State of incorporation: NY
- Location: FAIRPORT, NY

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DFAN14A | DEFINITIVE ADDITIONAL MATERIALS |

## Filing timeline for this registrant (40)

_Showing 12 of 40 filings._

| Filed | Form |
| --- | --- |
| [2001-01-17](https://search.stillhousedata.com/proxy/0000950172-01-000040) | SC 14D9/A |
| [2001-01-08](https://search.stillhousedata.com/proxy/0000950172-01-000009) | SC 14D9/A |
| [2000-12-20](https://search.stillhousedata.com/proxy/0000950136-00-001818) | SC 14D9 |
| [2000-12-12](https://search.stillhousedata.com/proxy/0000950172-00-002016) | DEFA14A |
| [2000-12-12](https://search.stillhousedata.com/proxy/0000950172-00-002015) | DEFA14A |
| [2000-12-11](https://search.stillhousedata.com/proxy/0000950172-00-002011) | DEFA14A |
| [2000-12-08](https://search.stillhousedata.com/proxy/0000899140-00-000500) | DFAN14A |
| [2000-12-04](https://search.stillhousedata.com/proxy/0001005477-00-008270) | DFAN14A |
| [2000-12-04](https://search.stillhousedata.com/proxy/0000950172-00-001977) | DEFA14A |
| [2000-12-04](https://search.stillhousedata.com/proxy/0000950172-00-001976) | DEFA14A |
| 2000-11-29 | DFAN14A |
| [2000-11-20](https://search.stillhousedata.com/proxy/0000950172-00-001911) | DEFA14A |

## Co-filers (1)

- MDI, INC.

## More

- [CIK 28365 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=28365&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001005477-00-008222.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.