BJ

Bruce K. Johnson

PO Polaroid: 18 patents #1 of 126Top 1%
📍 Elkins, NH: #1 of 1 inventorsTop 100%
🗺 New Hampshire: #1 of 239 inventorsTop 1%
Overall (1982): #30 of 81,411Top 1%
18
Patents 1982

Issued Patents 1982

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
4358186 Method and apparatus for controlling exposure by selective use of blocking visible filter John B. Millard 1982-11-09
4357083 Method and apparatus using weighted range signal for controlling photographic functions George D. Whiteside 1982-11-02
4351593 Method and apparatus for selective positioning of spectral filter during exposure control George D. Whiteside 1982-09-28
RE31034 Range synchronized flash photographic apparatus and method for achieving optimum flash exposure Conrad H. Biber, George D. Whiteside 1982-09-21
4346971 Photographic apparatus with controlled shutter blade time out George D. Whiteside 1982-08-31
4345828 Light detecting apparatus for photographic camera 1982-08-24
4342507 Flash holder assembly arrangement John B. Morse 1982-08-03
4342506 Exposure trim mechanism for cameras Kenneth P. Black 1982-08-03
4336988 Camera with lens disc drive system 1982-06-29
4335945 Camera with structure for adjusting lens disc velocity and calibration method Kenneth J. Launie 1982-06-22
4334752 Method of camera manufacture and camera apparatus Fred M. Finnemore 1982-06-15
4331404 Hand held camera having protectable and balanced switching arrangement 1982-05-25
4329140 Multiple flash arrangement with redundant fuse arrangement 1982-05-11
4319817 Camera having built-in, close-up lens 1982-03-16
4315675 Method and apparatus for selectively positioning spectral filter 1982-02-16
4315677 Calibration arrangement for exposure control system George D. Whiteside 1982-02-16
4315676 Camera with auto ranging focusing and flash fire control Arthur G. LaRocque, George D. Whiteside 1982-02-16
4311374 Camera flash array and holder receptacle John B. Morse 1982-01-19