B41B 21/12
Stroboscopic light sources
B41B21/12 (Stroboscopic light sources) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B41B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 4
- Latest grant
- 15 Jan 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Exposure control system for photocomposition machines15 Jan 1980US 4,183,638 AAM International, Inc.
- Digital flash intensity control system for phototypesetters27 Sep 1977US 4,051,486 AItek Corporation
- Exposure control system for photocomposition machines6 Sep 1977US 4,046,475 AAddressograph Multigraph Corporation
- Self testing phototypesetter flash intensity control system26 Apr 1977US 4,020,495 AItek Corporation
No published applications in this class yet.
Most cited
By later US patents
- Self testing phototypesetter flash intensity control system1US 4,020,495 AItek Corporation · 1977
- Exposure control system for photocomposition machines1US 4,046,475 AAddressograph Multigraph Corporation · 1977
- Digital flash intensity control system for phototypesetters1US 4,051,486 AItek Corporation · 1977
- Exposure control system for photocomposition machines1US 4,183,638 AAM International, Inc. · 1980