Number | Name | Date | Kind |
---|---|---|---|
2282285 | Olson | May 1942 | |
3051425 | Homrighausen | Aug 1962 | |
4324477 | Miyazaki | Apr 1982 |
Number | Date | Country |
---|---|---|
7506218 | Jan 1976 | NLX |
Entry |
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Osawa Brochure, 6/81-"How to Choose a Tripod"-p. 5-Tripods. |
Sachtler Brochure-4/3/83-Tripod Leg Locks-p. 2, third from top. |