Tripod Sprinkler. Take watering to a new height, with the 9620 Pulsating Sprinkler. The innovative tripod design waters a larger area - great for big lawns or gardens. The durable construction will provide long term use and season after season of watering. Melnor was founded in the USA in 1946, two years later the first innovative Melnor oscillating sprinkler was introduced. While there have certainly been changes through the years, there has never been a change to our commitment to offer new and innovative ways for the home gardener to maintain lush yards and bountiful gardens. For more than sixty-years, Melnor has been a trusted partner to retailers and homeowners.