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Reading, MA, United States of America

John W Stempeck

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 59(Granted Patents)

Location History:

Belmont, MA (US) (1976)
Reading, MA (US) (1981 - 1986)

Company Filing History:

Polaroid Corporation

Years Active: 1976-1986

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4571627 - Electronic viewfinder (1986-02-18),

2. 4374613 - Auto/manual camera employing common lens focusing data (1983-02-22),

3. 4369395 - Electronic flash with safety switch feature (1983-01-18),

4. 4348087 - Photographic system for automatically charging electronic flash (1982-09-07),

5. 4268138 - Follow focus flash arrangement (1981-05-19),

6. 3945025 - Exposure control system (1976-03-16),

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