21 filings
SD
MFCO
Microwave Filter Co Inc
19 Jun 17
Conflict minerals disclosure
12:00am
SD
MFCO
Microwave Filter Co Inc
20 Jul 16
Conflict minerals disclosure
12:00am
SD
MFCO
Microwave Filter Co Inc
30 May 14
Conflict minerals disclosure
12:00am
NO ACT
MFCO
Microwave Filter Co Inc
22 Feb 13
No action letter
12:00am
UPLOAD
MFCO
Microwave Filter Co Inc
22 Mar 12
Letter from SEC
12:00am
UPLOAD
sdw2tk4iqmbkv9nsi
17 Feb 12
Letter from SEC
12:00am
UPLOAD
qqda8822k03 qugza
13 Feb 12
Letter from SEC
12:00am
CORRESP
ywk60v0kt6 kv2
6 Feb 12
Correspondence with SEC
12:00am
UPLOAD
z0a4s3e21vy w3zbik
27 Jan 12
Letter from SEC
12:00am
UPLOAD
phu4l2kml 4bms7
16 Apr 10
Letter from SEC
12:00am
UPLOAD
1nl1nglexxzbfy36m
2 Mar 10
Letter from SEC
12:00am
UPLOAD
glblnqib6k946a
19 Oct 09
Letter from SEC
12:00am
UPLOAD
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9 Oct 09
Letter from SEC
12:00am
UPLOAD
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4 Apr 06
Letter from SEC
12:00am
CORRESP
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28 Mar 05
Correspondence with SEC
12:00am
UPLOAD
7ysrb3iytf j1d
28 Mar 05
Letter from SEC
12:00am
CORRESP
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16 Mar 05
Correspondence with SEC
12:00am
CORRESP
s0x8316
8 Mar 05
Correspondence with SEC
12:00am
UPLOAD
nat0v4ao7b59sk
3 Mar 05
Letter from SEC
12:00am
UPLOAD
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1 Mar 05
Letter from SEC
12:00am