H01J 29/14
Acting by discoloration
Official title: acting by discoloration, e.g. halide screen
H01J29/14 (Acting by discoloration) appears on 5 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 5
- Published applications
- 0
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 6 Oct 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cathodochromic CRT erasure and tube set up method6 Oct 1987US 4,698,684 AHilliard-Lyons Patent Management, Inc.
- Optical information storage system21 Sep 1976US 3,982,151 ACorning Glass Works
- Method of producing photochromic sodalite crystals22 Jun 1976US 3,964,984 A
- Cathodochromic CRT projection display25 May 1976US 3,959,584 AMassachusetts Institute of Technology
- Cathodochromic sodalite6 Jan 1976US 3,931,042 AU. S. Philips Corporation
No published applications in this class yet.
Most cited
By later US patents
- Optical information storage system40US 3,982,151 ACorning Glass Works · 1976
- Cathodochromic CRT projection display9US 3,959,584 AMassachusetts Institute of Technology · 1976
- Cathodochromic sodalite1US 3,931,042 AU. S. Philips Corporation · 1976
- Method of producing photochromic sodalite crystals1US 3,964,984 A1976