Photometer
Description
FIG. 1 is a top front perspective view of a photometer showing our new design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a side elevation thereof; and
FIG. 4 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| D211574 | July 1968 | Macaulay et al. |
| D211634 | July 1968 | Derkas et al. |
| D245583 | August 30, 1977 | Mannucci |
| 3718439 | February 1973 | Rosse et al. |
| 3794469 | February 1974 | Rapoza |
- Fisher Modern Laboratory Appliances, Cat. #65, .COPYRGT.1964, p. 327, Electrophotometer II.
Patent History
Patent number: D256341
Type: Grant
Filed: Jun 26, 1978
Date of Patent: Aug 12, 1980
Assignee: Beckman Instruments, Inc. (Fullerton, CA)
Inventors: Otto Haunold (Carlsbad, CA), Edgar H. Frank (Anaheim, CA)
Primary Examiner: Bernard Ansher
Attorney: R. J. Steinmeyer
Application Number: 5/918,890
Type: Grant
Filed: Jun 26, 1978
Date of Patent: Aug 12, 1980
Assignee: Beckman Instruments, Inc. (Fullerton, CA)
Inventors: Otto Haunold (Carlsbad, CA), Edgar H. Frank (Anaheim, CA)
Primary Examiner: Bernard Ansher
Attorney: R. J. Steinmeyer
Application Number: 5/918,890
Classifications