Location History:
- Fresno, CA (US) (1987 - 1991)
- Porterveille, CA (US) (2009)
- Porterville, CA (US) (2008 - 2010)
Company Filing History:
3 out of 12 
2 out of 17 Years Active: 1987-2010
Title: Innovations of Timothy P. Sheehan in Grape Varieties
Introduction
Timothy P. Sheehan, based in Porterville, California, is an inventive mind recognized for his significant contributions to the field of viticulture. With a remarkable portfolio of 20 patents, Sheehan has demonstrated his expertise in developing new grape varieties that cater to both commercial requirements and consumer preferences.
Latest Patents
Among his most notable inventions are two grapvine plants: 'Sheegene-3' and 'Sheegene-4'. The 'Sheegene-3' is a new and distinct variety characterized by a very large red seedless grape that ripens in early August, three weeks later than the 'Flame Seedless' grape. This variety is known for its good flavor, juicy texture, and firm skin, with berries that thrive on strong woody stems, making them well-suited for commercial handling.
The 'Sheegene-4' boasts a large green nearly-seedless grape with excellent flavor, ripening in the second week of September, approximately eight weeks later than the 'Thompson Seedless' grape. Similar to its counterpart, the berries grow on robust woody stems and branches, ensuring they are adapted for effective commercial harvesting.
Career Highlights
Timothy P. Sheehan has been instrumental in advancing grape cultivation and has worked with notable companies such as Sunworld Corporation and Superior Farming Company. His career reflects an unwavering commitment to innovation in the agricultural sector, particularly in developing grape varieties that enhance productivity and quality.
Collaborations
In his journey, Sheehan has collaborated with professionals like John H. Weinberger, leveraging their expertise to drive innovations within the industry. This teamwork underscores the importance of collaboration in fostering advancements in the realm of agriculture.
Conclusion
Timothy P. Sheehan's contributions to grape cultivation through his inventive patents have positioned him as a significant figure in viticulture. His work continues to impact the industry positively, offering new options for growers and consumers alike. As he moves forward, the innovations he has developed will likely shape the future of grape production and contribute to the evolution of agricultural practices.